NECETRONS: how to learn/ get MATLAB Source Codes free notes

args, a program which shows how to count and report command line arguments;
arpack, a library which computes eigenvalues and eigenvectors of large sparse matrices, accessible via the built-in EIGScommand;
asa_2011_graphs_lab a library which contains data and programs used during the "Graph Algorithms" segment of the course "Algorithms for Science Applications II".
asa005 a library which evaluates the lower tail of the noncentral Student's T distribution; this is Applied Statistics Algorithm 5;
asa006 a library which computes the Cholesky factor of a positive definite symmetric matrix; this is Applied Statistics Algorithm 6;
asa007 a library which computes the inverse of a positive definite symmetric matrix; this is Applied Statistics Algorithm 7;
asa032 a library which evaluates the incomplete Gamma function; this is Applied Statistics Algorithm 32;
asa047 a library which minimizes a scalar function of several variables using the Nelder-Mead algorithm; this is Applied Statistics Algorithm 47;
asa058 a library which carries out clustering of data; this is Applied Statistics Algorithm 58;
asa063 a library which evaluates the incomplete Beta function; this is Applied Statistics Algorithm 63;
asa066 a library which computes the cumulative density function of the standard normal distribution; this is Applied Statistics Algorithm 66;
asa076 a library which evaluates Owen's T function; this is Applied Statistics Algorithm 76;
asa091, a library which computes the percentage points of the Chi-square distribution; this is Applied Statistics Algorithm 91;
asa103, a library which evaluates the digamma or psi function; this is Applied Statistics Algorithm 103;
asa109 a library which inverts the incomplete Beta function; this is Applied Statistics Algorithm 109;
asa111 a library which evaluates the percentage points of the normal distribution; this is Applied Statistics Algorithm 111;
asa113 a library which clusters data using the Banfield and Bassill transfer and swap algorithm; this is Applied Statistics Algorithm 113;
asa121, a library which evaluates the trigamma function; this is Applied Statistics Algorithm 121;
asa136 a library which clusters data using the Hartigan and Wong algorithm; this is Applied Statistics Algorithm 136;
asa144 a library which randomly generates tables with given row and column sums; this is Applied Statistics Algorithm 144;
asa147 a library which evaluates the incomplete Gamma function; this is Applied Statistics Algorithm 147;
asa152, a library which evaluates point and cumulative probabilities associated with the hypergeometric distribution; this is Applied Statistics Algorithm 152;
asa159, a library which computes a random table with given row and column sums; this is Applied Statistics Algorithm 159;
asa172 a library which simulates the generation of a set of multi-indices by nested DO-Loops; this is Applied Statistics Algorithm 172;
asa183, a library which implements the Wichman-Hill pseudorandom number generator; this is Applied Statistics Algorithm 183;
asa226 a library which evaluates the noncentral incomplete Beta function; this is Applied Statistics Algorithm 226;
asa239 a library which evaluates the incomplete Gamma function; this is Applied Statistics Algorithm 239;
asa241, a library which computes the inverse of the normal CDF; this is Applied Statistics Algorithm 241;
asa243 a library which evaluates the lower tail of the noncentral Student's T distribution; this is Applied Statistics Algorithm 243;
asa245 a library which evaluates the logarithm of the Gamma function; this is Applied Statistics Algorithm 245;
asa266, a library which evaluates various properties of the Dirichlet probability density function; this is Applied Statistics Algorithm 266;
asa299, a library which computes the lattice points (integer coordinates) in an M-dimensional simplex; this is Applied Statistics Algorithm 299;
asa310 a library which evaluates the noncentral incomplete Beta function; this is Applied Statistics Algorithm 310;
ball_and_stick_display, a program which demonstrates the creation of a 3D "ball and stick" image;
ball_grid, a library which computes grid points inside a ball.
ball_volume_monte_carlo, a program which applies a Monte Carlo procedure to estimate the volume of the M-dimensional unit ball;
beta_nc, a library which evaluates the CDF of the noncentral Beta distribution;
bezier_surface, a library which reads, writes, prints and manipulates the data that defines a Bezier surface;
bezier_surface_display, a program which displays a Bezier surface;
birthday_remote, a program which runs a Monte Carlo simulation of the birthday paradox, and includes instructions on how to run the job, via MATLAB's BATCH facility, on a remote system such as Virginia Tech's ITHACA cluster.
black_scholes, a library which implements some simple approaches to the Black-Scholes option valuation theory;
blas1_c, a library which implements the Level 1 Basic Linear Algebra Subprograms, using single precision complex arithmetic;
blas1_d, a library which implements the Level 1 Basic Linear Algebra Subprograms, using double precision real arithmetic;
blas1_s, a library which implements the Level 1 Basic Linear Algebra Subprograms, using single precision real arithmetic;
blas1_z, a library which implements the Level 1 Basic Linear Algebra Subprograms, using double precision complex arithmetic;
blend, a library which carries out 1D/2D/3D blending interpolation;
box_behnken, a library which computes a Box-Behnken design, that is, a set of arguments to sample the behavior of a function of multiple parameters;
box_plot, a program which displays a box plot of data that consists of pairs of integers;
brain_sensor_pod a program which applies the method of Proper Orthogonal Decomposition to seek underlying patterns in sets of 40 sensor readings of brain activity.
brent a library which contains routines for finding zeroes or minima of a scalar function of a scalar variable, without the use of derivative information, by Richard Brent.
buckling_spring a program which plots solutions of the buckling spring equations.
c8lib, a library which implements certain elementary functions for double precision complex variables;
calendar_nyt, a library which shows the correspondence between dates and the New York Times volume and issue number;
cavity_flow_display, a library which displays a single velocity field solution for the driven cavity;
cavity_flow_movie, a library which animates the velocity solutions for the driven cavity;
cc_display, a program which displays the points used in a 2D Clenshaw-Curtis quadrature rule;
ccn_rule is a program which defines a nested Clenshaw Curtis quadrature rule.
ccvt_box, a program which calculates a constrained CVT for points constrained to lie in a box, with some points moved to the boundary;
ccvt_reflect, a program which calculates a constrained CVT for points constrained to lie in a box, with some points "pushed" towards the boundary;
cell_detection_tasks, a program which creates modified versions of a sequence of gray-scale TIF files containing images of cells; the process of each file is carried out independently, using the "task" feature of MATLAB's parallel computing toolbox.
cg_distributed, a program which implements a version of the NAS CG conjugate gradient benchmark, using distributed memory.
cg_lab_triangles, a collection of programs associated with a computer lab assignment on computational geometry and triangles;
chebyshev1_rule, a program which computes and writes out a Gauss-Chebyshev type 1 quadrature rule of given order.
chebyshev2_rule, a program which computes and writes out a Gauss-Chebyshev type 2 quadrature rule of given order.
chrpak, a library which manipulates characters and strings;
circle_grid, a library which computes grid points inside a circle.
cities, a library which works with city-to-city distance matrices;
clenshaw_curtis_rule, a program which implements a Clenshaw Curtis quadrature rule;
cnoise, a library which generates samples of noise obeying a 1/f^alpha power law, by Miroslav Stoyanov.
collatz, a library which computes and analyzes the Collatz sequence (or "hailstone" sequence or "3n+1 sequence");
collatz_parfor is a program which seeks the maximum Collatz sequence between 1 and N; it runs in parallel using MATLAB's "parfor" facility.
color_remote, a program which carries out the color segmentation of an image in parallel, using MATLAB's SPMD facility; this includes instructions on how to run the job, via MATLAB's BATCH facility, on a remote system such as Virginia Tech's ITHACA cluster.
colored_noise, a library which generates samples of noise obeying a 1/f^alpha power law.
combo, a library which handles combinatorial problems, by Kreher and Stinson;
complex_numbers, a program which demonstrates some simple features involved in the use of complex numbers in C programming.
contour_sequence4, a program which creates images suitable for animation from one XY file and a sequence of U(X,Y) data files;
contrast_spmd, a program which demonstrates the SPMD parallel programming feature for image operations; the client reads an image, the workers heighten contrast over portions of it, and the client assembles and displays the results.
contrast2_spmd, a program which demonstrates the SPMD parallel programming feature for image operations; it improves on contrast_spmd by allowing the workers to communicate, and so eliminates artificial seams that would otherwise appear in the processed image.
convex_hull, a program which demonstrates the computation of the convex hull of a set of 2D points.
coordinate_search, a program which implements the coordinate search algorithm for the minimization of a scalar function of several variables.
cordic, a library which computes a few special functions using the CORDIC algorithm.
cvt, a library which computes an N-point Centroidal Voronoi Tessellation in M dimensions;
cvt_1d_lloyd a program which computes an N-point Centroidal Voronoi Tessellation (CVT) within the interval [0,1], under a uniform density, using exact techniques to determine the Voronoi regions.
cvt_1d_nonuniform, a program which computes an N-point Centroidal Voronoi Tessellation in 1 dimension, under a nonuniform density, and plots the evolution of the locations of the generators during the iteration;
cvt_1d_sampling a program which computes an N-point Centroidal Voronoi Tessellation (CVT) within the interval [0,1], under a uniform density, using sampling to estimate the Voronoi regions.
cvt_dataset a program which creates a CVT dataset;
cvt_demo, a program which interactively, graphically demonstrates a CVT calculation;
cvt_metric, a program which computes a CVT under a spatially varying metric;
cvt_movie, a program which creates an animation of the evolution of a CVT;
cvt_movie2, a program which creates a CVT movie;
cvt_movie3, a program which creates a CVT movie in a region of unusual shape;
cvt_movie4, a program which creates a CVT movie in a square, with a density function that drives points to the corners;
cvt_movie5, a program which repeats cvt_movie3, but with hexagonal grid initialization, fixed points, and boundary projection;
cyclic_reduction, a library which solves a tridiagonal linear system using cyclic reduction;
dice_simulation a program which simulates N tosses of M dice, making a histogram of the results.
dijkstra a program which runs a simple example of Dijkstra's minimum distance algorithm for graphs.
dijkstra_spmd a program which uses the SPMD feature to parallelize a simple example of Dijkstra's minimum distance algorithm for graphs.
direction_arrows, a program which reads coordinate data from one file, velocity data from another file, and makes an arrow plot of the direction field.
direction_arrows_grid, a program which reads velocity data at "scattered" points, and makes a direction vector plot on a uniform grid of user-specified density.
direction_arrows_sequence, a program which reads a fixed coordinate file, and a sequence of velocity data files and makes a sequence of velocity direction arrow plots.
discrete_pdf_sample a program which demonstrates how to construct a Probability Density Function (PDF) from a table of sample data, and then to use that PDF to create new samples.
dist_plot, a program which makes contour plots of the distance function, as defined and used in Persson and Strang'sdistmesh code;
distance_to_position a program which estimates the positions of cities based on a city-to-city distance table.
distance_to_position_sphere a program which estimates the positions of cities on a sphere (such as the earth) based on a city-to-city distance table.
distmesh, a library which carries out Persson and Strang's method of mesh generation;
distmesh_3d, a library which constitutes the 3D subset of Persson and Strang's distmesh code;
divdif, a library which constructs, evaluates and manipulates divided difference tables;
double_c_data, programs which generate, plot or write out 2D data that forms two interlocking "C" shapes.
duel_simulation a program which simulates N repetitions of a duel between two players, each of whom has a known firing accuracy.
dunavant, a library which defines Dunavant quadrature rules in a triangle;
ellipse_grid, a library which computes grid points inside an ellipse.
ellipsoid_grid, a library which computes grid points inside a 3D ellipsoid.
entrust, a library which uses trust-region methods to solve problems in scalar optimization or nonlinear least squares, by Borggaard and Cliff.
face_spmd, a program which demonstrates the SPMD parallel programming feature; the client has a 3D box that has been dissected into tetrahedrons. Multiple workers cooperate to construct a list of the triangular faces that lie on the boundaries of the box.
faure, a library which computes the Faure M-dimensional quasirandom sequence;
faure_dataset, a program which creates a multivariate Faure quasirandom dataset;
fd_predator_prey, a program which solves a time-dependent predator prey system using a finite difference approximation.
fd_to_tec is a program which converts FD (finite difference) models into TECPLOT ASCII files.
fd1d_burgers_lax, a program which applies the finite difference method and the Lax Wendroff method to solve the non-viscous time-dependent Burgers equation in one spatial dimension.
fd1d_burgers_leap, a program which applies the finite difference method and the leapfrog approach to solve the non-viscous time-dependent Burgers equation in one spatial dimension.
fd1d_bvp, a program which applies the finite difference method to a two point boundary value problem in one spatial dimension.
fd1d_display, a program which reads a pair of files defining a 1D finite difference model, and plots the data.
fd1d_heat_explicit, a program which implements a finite difference solution, explicit in time, of the time dependent 1D heat equation;
fd1d_heat_implicit, a program which implements a finite difference solution, implicit in time, of the time dependent 1D heat equation;
fd1d_heat_steady, a program which implements a finite difference solution for the steady (time independent) 1D heat equation;
fd1d_predator_prey, a program which implements a finite difference algorithm for a time and 1D space dependent predator-prey system;
fd1d_predator_prey_plot, a program which plots solutions from the FD1D_PREDATOR_PREY program.
fd1d_wave, a program which applies the finite difference method to solve the time-dependent wave equation in one spatial dimension.
fd2d_heat_explicit_spmd is a MATLAB program which uses the finite difference method and explicit time stepping to solve the time dependent heat equation in 2D. A black and white image is used as the "initial condition". MATLAB's SPMD facility is used to carry out the computation in parallel.
fd2d_predator_prey, a program which implements a finite difference algorithm for a time and 2D space dependent predator-prey system.
fekete, a library which sets up one of seven Fekete rules for interpolation or quadrature in a triangle;
felippa, a library which defines quadrature rules for lines, triangles, quadrilaterals, pyramids, wedges, tetrahedrons and hexahedrons.
fem_50, a program which implements a Finite Element Method solver using about 50 lines of MATLAB code;
fem_50_heat, a program which is a version of fem_50 for the time-dependent heat equation;
fem_basis, a library which can define and evaluate basis functions for any degree in an M-dimensional simplex (1D interval, 2D triangle, 3D tetrahedron, and higher dimensional generalizations.)
fem_basis_q4_display, a program which displays any single basis function associated with an arbitrary linear quadrilateral ("Q4") mesh;
fem_basis_t3_display, a program which displays any single basis function associated with an arbitrary 3-node triangle "T3" mesh;
fem_basis_t4_display, a program which displays any single basis function associated with an arbitrary 4-node triangle "T4" mesh;
fem_basis_t6_display, a program which displays any single basis function associated with an arbitrary 6-node triangle "T6" mesh;
fem_io, a library which reads or writes FEM files, (three text files describing a finite element model);
fem_neumann, a program which sets up a time-dependent reaction-diffusion equation in 1D, with Neumann boundary conditions, discretized using the finite element method.
fem_to_mesh is a program which reads a pair of FEM files defining node coordinates and elements, and creates a corresponding MESH file.
fem_to_tec, a program which reads a set of FEM files, (three text files describing a finite element model), and writes a TECPLOT ASCII file.
fem1d, a program which applies the finite element method, using piecewise linear basis functions, to a linear two point boundary value problem in 1D;
fem1d_adaptive, a program which uses an adaptive mesh when applying the finite element method, with piecewise linear basis functions, to a linear two point boundary value problem in 1D;
fem1d_bvp_linear, a program which applies the finite element method, with piecewise linear elements, to a two point boundary value problem in one spatial dimension.
fem1d_display, a program which reads three files defining a 1D arbitrary degree finite element function, and displays a plot.
fem1d_function_10_display is a program which reads three files defining a 1D piecewise linear finite element function and displays a plot.
fem1d_heat_steady, a program which implements the finite element method for the steady (time independent) 1D heat equation;
fem1d_nonlinear, a program which applies the finite element method, with piecewise linear basis functions, to a nonlinear two point boundary value problem in 1D;
fem1d_pack is a library which contains utilities for 1D finite element calculations.
fem1d_pmethod, a program which applies the p-method version of the finite element method to a linear two point boundary value problem in 1D;
fem1d_project is a program which projects data into a finite element space, including the least squares approximation of data, or the projection of a finite element solution from one mesh to another.
fem1d_sample, a program which samples a scalar or vector finite element function of one variable, defined by FEM files, returning interpolated values at the sample points.
fem2d_heat, a program which applies the finite element method to the time dependent heat equation on an arbitrary triangulated region in 2D;
fem2d_heat_rectangle, a program which applies the finite element method for the time-dependent heat equation on a triangulated square in 2D;
fem2d_heat_rectangle_steady_spmd, a program which uses the MATLAB Parallel Computing Toolbox in SPMD mode to set up and solve a distributed linear system for the steady 2d heat equation.
fem2d_heat_sparse, a program which applies the finite element method to the heat equation on an arbitrary triangulated region in 2D, using MATLAB's sparse matrix features;
fem2d_heat_sparse_square, a library which defines the geometry of a square region, as well as boundary and initial conditions for a given heat problem, so that fem2d_heat_sparse can be called for a solution.
fem2d_heat_square is a library which defines the geometry of a square region, as well as boundary and initial conditions for a given heat problem, so that fem2d_heat can be called for a solution.
fem2d_navier_stokes, a program which applies the finite element method to the steady incompressible Navier Stokes equations on an arbitrary triangulated region in 2D;
fem2d_navier_stokes_cavity is a library which contains the user-supplied routines necessary to runfem2d_navier_stokes on the "cavity" problem.
fem2d_navier_stokes_channel is a library which contains the user-supplied routines necessary to runfem2d_navier_stokes on the "channel" problem.
fem2d_navier_stokes_sparse, a program which applies the finite element method to the steady incompressible Navier Stokes equations on an arbitrary triangulated region in 2D, using MATLAB's sparse matrix features;
fem2d_navier_stokes_sparse_big_cavity is a library which contains the user-supplied routines necessary to runfem2d_navier_stokes on the "big cavity" problem.
fem2d_navier_stokes_sparse_cavity is a library which contains the user-supplied routines necessary to runfem2d_navier_stokes on the "cavity" problem.
fem2d_navier_stokes_sparse_channel is a library which contains the user-supplied routines necessary to runfem2d_navier_stokes on the "channel" problem.
fem2d_navier_stokes_sparse_inout is a library which contains the user-supplied routines necessary to runfem2d_navier_stokes on the "inout" problem.
fem2d_pack, a library which performs simple 2D finite element computations;
fem2d_poisson, a program which applies the finite element method to Poisson's equation on an arbitrary triangulated region in 2D;
fem2d_poisson_ell is a library which defines the geometry of an L-shaped region, as well as boundary conditions for a given Poisson problem, and is called by fem2d_poisson as part of a solution procedure.
fem2d_poisson_lake is a library which defines the geometry of a lake-shaped region, as well as boundary conditions for a given Poisson problem, and is called by fem2d_poisson as part of a solution procedure.
fem2d_poisson_rectangle, a program which solves the 2D Poissone equation on a rectangle, using the finite element method, and piecewise quadratic triangular elements.
fem2d_poisson_rectangle_linear is a program which solves the 2D Poisson equation on a rectangle, using the finite element method, and piecewise linear triangular elements.
fem2d_poisson_sparse, a program which uses the finite element method to solve Poisson's equation on an arbitrary triangulated region in 2D; (This is a version of fem2d_poisson which replaces the banded storage and direct solver by a sparse storage format and an iterative solver.)
fem2d_poisson_sparse_ell is a library which defines the geometry of an L-shaped region, as well as boundary conditions for a given Poisson problem, and is called by fem2d_poisson_sparse as part of a solution procedure.
fem2d_poisson_sparse_lake is a library which defines the geometry of a lake-shaped region, as well as boundary conditions for a given Poisson problem, and is called by fem2d_poisson_sparse as part of a solution procedure.
fem2d_project is a program which projects a function F(X,Y), given as data, into a given finite element space of piecewise linear triangular elements.
fem2d_project_function is a program which projects a function F(X,Y), given as a formula, into a given finite element space of piecewise linear triangular elements.
fem2d_sample, a program which samples a finite element function, defined by FEM files, (three text files describing the nodes, triangles, and coefficients); at arbitrary points.
fem2d_stokes, a program which applies the finite element method for the steady incompressible Stokes equations on an arbitrary triangulated region in 2D;
fem2d_stokes_cavity is a library which contains the user-supplied routines necessary to run fem2d_stokes on the "cavity" problem.
fem2d_stokes_channel is a library which contains the user-supplied routines necessary to run fem2d_stokes on the "channel" problem.
fem2d_stokes_inout is a library which contains the user-supplied routines necessary to run fem2d_stokes on the "inout" problem.
fem2d_stokes_sparse, a program which is a finite element code for the steady incompressible Stokes equations on an arbitrary triangulated region in 2D, using MATLAB's sparse matrix features;
fem2d_stokes_sparse_big_cavity is a library which contains the user-supplied routines necessary to runfem2d_stokes_sparse on the "big cavity" problem.
fem2d_stokes_sparse_cavity is a library which contains the user-supplied routines necessary to runfem2d_stokes_sparse on the "cavity" problem.
fem2d_stokes_sparse_channel is a library which contains the user-supplied routines necessary to runfem2d_stokes_sparse on the "channel" problem.
fem2d_stokes_sparse_inout is a library which contains the user-supplied routines necessary to runfem2d_stokes_sparse on the "inout" problem.
fem2d_stokes_sparse_spiral is a library which contains the user-supplied routines necessary to runfem2d_stokes_sparse on the "spiral" problem.
fem2d_stokes_spiral is a library which contains the user-supplied routines necessary to run fem2d_stokes on the "spiral" problem.
fem3d_pack is a library which contains utilities for 3D finite element calculations.
fem3d_project is a program which projects a function F(X,Y,Z), given as a data, into a given finite element space of piecewise linear tetrahedral elements.
fem3d_sample is a program library which evaluates a finite element function defined on a 3D tetrahedral mesh.
feynman_kac, a program which demonstrates the use of the Feynman-Kac algorithm for solving certain partial differential equations.
fft_serial is a program which computes a Fast Fourier Transform, and is intended as a starting point for implementing a parallel version.
fibonacci_spiral, a program which displays points on a Fibonacci spiral, suggesting the arrangement of seeds in a sunflower, for instance.
file_increment, a program which makes a copy of a file containing an integer array, after incrementing each entry by a given value.
file_name_sequence a program which demonstrates four ways to generate a sequence of filenames.
filum, a library which handles files and filenames;
floyd is a library which implements Floyd's algorithm for finding the shortest distance between pairs of nodes on a directed graph.
fmincon is a function included in MATLAB's Optimization Toolbox which seeks the minimizer of a scalar function of multiple variables, within a region specified by linear constraints and bounds; this directory contains some examples of the use of FMINCON.
fmincon_parallel, a program which demonstrates the use of MATLAB's FMINCON constrained minimization function, taking advantage of MATLAB's Parallel Computing Toolbox for faster execution.
gamblers_ruin_simulation, a program which simulates the game of gambler's ruin.
gegenbauer_rule, a program which computes and writes out a Gauss-Gegenbauer quadrature rule of given order.
gen_hermite_rule, a program which computes and writes out a generalized Gauss-Hermite quadrature rule of given order and parameter value ALPHA.
gen_laguerre_rule, a program which computes and writes out a generalized Gauss-Laguerre quadrature rule of given order and parameter value ALPHA.
geometry, a library which performs 2D/3D geometric calculations;
geompack, a library which computes the Delaunay triangulation for a set of points in 2D;
gl_display, a program which displays the points used in a 2D Gauss-Legendre quadrature rule;
gm_rule, a library which defines Grundmann-Moeller quadratures rules for a triangle, tetrahedron, or M-dimensional simplex.
graph_representation, a library which can express the representation of an abstract mathematical graph in several ways.
graphics_examples, programs which illustrate how various kinds of data can be displayed and analyzed graphically.
grf_display, a program which reads a GRF file defining a mathematical graph and displays it in the MATLAB graphics window.
grf_io, a library which reads or writes a GRF file;
grid, a library which computes N random points on a uniform M-dimensional grid;
grid_dataset, a program which creates a grid dataset;
gridlines is a library which gives the user more control over drawing gridlines on a graph than the built in "grid on" command.
haar, is a library which computes the Haar transform of data.
halton, a library which calculates the Halton M-dimensional quasirandom sequence;
halton_dataset, a program which creates N elements of an M-dimensional Halton sequence and writes them to a file.
hammersley, a library which computes the Hammersley M-dimensional quasirandom sequence;
hammersley_dataset, a program which creates N elements of an M-dimensional Hammersley sequence and writes them to a file.
hand_data is a set of programs which carry out some numerical exercises based on data that came from tracing several points on a person's hand.
hb_io, a library which reads and writes files in the Harwell Boeing sparse matrix format;
hb_to_mm, a program which converts a sparse matrix stored in a Harwell Boeing file to Matrix Market format;
hb_to_msm, a program which converts a sparse matrix stored in a Harwell Boeing file to MATLAB sparse matrix format;
hb_to_st a program which reads a sparse matrix in a Harwell-Boeing file and writes an equivalent Sparse Triplet file.
hcell_flow_display, a program which plots the physical data, pressures or velocities, from a run of the HCELL program;
heated_plate is a program which solves the steady state heat equation in a 2D rectangular region, and is intended as a starting point for a parallel version.
hello, a program which prints out "Hello, world!".
hello_parfor, a program which prints out "Hello, world!" multiple times, using MATLAB's PARFOR command for parallel execution.
hermite_cubic, is a library which can compute the value, derivatives or integral of a Hermite cubic polynomial, or manipulate an interpolating function made up of piecewise Hermite cubic polynomials.
hermite_phys_product, a library which writes out a table of the integrals of products of pairs of Hermite (physicist) polynomials with a linear or exponential weight.
hermite_prob_product, a library which writes out a table of the integrals of products of pairs of Hermite (probabilist) polynomials with a linear or exponential weight.
hermite_rule, a program which computes and writes out a Gauss-Hermite quadrature rule of given order.
hex_grid, a library which generates a hexagonal grid of points in the unit square or an arbitrary rectangle;
hex_grid_angle, a library which defines a hexagonal grid of points in the unit square, with an arbitrary center, angle, and spacing.
hex_grid_dataset, a program which creates a hexagonal grid of points in a rectangle, and write them to a file, using thehex_grid library.
histogram_display, a program which makes a bar plot of a set of data stored as columns in a file; the first column is the X values, and all the other columns are Y values to be shown as a stack of bars;
hot_pipe, a program which demonstrates fem_50_heat to solve a particular heat equation problem;
hot_point, a program which demonstrates fem_50_heat to solve a particular heat equation problem;
i4lib, a library which contains many utility routines, using "I4" or "single precision integer" arithmetic.
ice_io a library which reads or writes ICE grid files stored in NETCDF format.
ice_to_mesh is a program which reads a NETCDF file containing an ICE dataset and rewrites the information as a MESH file.
ihs, a library which generates the Improved Distributed Hypercube Sampling M-dimensional quasirandom sequence;
ihs_dataset, a program which creates an IHS dataset and writes it to a file;
image_components, a library which seeks the connected "nonzero" or "nonblack" components of an image or integer array.
image_contrast, programs which applies image processing techniques to increase the contrast in an image.
image_denoise, programs which apply filtering operations to a noisy image.
image_denoise_spmd, scripts which demonstrates the SPMD parallel programming feature for image operations; the client reads an image, the workers process portions of it, and the client assembles and displays the results.
image_edge a library which demonstrates a simple procedure for edge detection in images.
image_noise, programs which add noise to an image.
image_quantization, a MATLAB library which demonstrates how the KMEANS algorithm can be used to reduce the number of colors or shades of gray in an image.
image_rgb_to_gray, programs which makes a grayscale version of an RGB image.
image_threshold, programs which make a black and white version of a grayscale image by setting all pixels below or above a threshold value to black or white.
imshow_numeric, a program which accepts a numeric 2D array and displays it as a grayscale image.
inout_flow_display, a library which displays a single velocity field solution for the INOUT flow;
inout_flow_movie, a library which creates an animation of the velocity solutions for the INOUT cell;
int_exactness, a program which tests the polynomial exactness of quadrature rules for a finite interval;
int_exactness_chebyshev1, a program which tests the polynomial exactness of Gauss-Chebyshev type 1 quadrature rules.
int_exactness_chebyshev2, a program which tests the polynomial exactness of Gauss-Chebyshev type 2 quadrature rules.
int_exactness_gegenbauer, a program which tests the polynomial exactness of Gauss-Gegenbauer quadrature rules.
int_exactness_gen_hermite, a program which tests the polynomial exactness of generalized Gauss-Hermite quadrature rules.
int_exactness_gen_laguerre, a program which tests the polynomial exactness of generalized Gauss-Laguerre quadrature rules.
int_exactness_hermite, a program which tests the polynomial exactness of Gauss-Hermite quadrature rules.
int_exactness_jacobi, a program which tests the polynomial exactness of Gauss-Jacobi quadrature rules.
int_exactness_laguerre, a program which tests the polynomial exactness of Gauss-Laguerre quadrature rules.
int_exactness_legendre, a program which tests the polynomial exactness of Gauss-Legendre quadrature rules.
jacobi_rule, a program which computes and writes out a Gauss-Jacobi quadrature rule of given order.
keast, a library which defines Keast quadrature rules in a tetrahedron;
kelley, a library which implements iterative methods for linear and nonlinear equations, by Tim Kelley;
kmeans, a library which handles the K-Means problem;
knapsack, a program which solves the 0/1 knapsack problem by exhaustive search.
knapsack_tasks, a program which solves a 0/1 knapsack problem by exhaustive search, subdividing the search range among separate tasks.
kronrod, is a library which can compute a Gauss and Gauss-Kronrod pair of quadrature rules of arbitrary order, by Robert Piessens, Maria Branders.
laguerre_product, a library which writes out a table of the integrals of products of pairs of Laguerre polynomials with a linear or exponential weight.
laguerre_rule, a program which computes and writes out a Gauss-Laguerre quadrature rule of given order.
latin_center, a library which computes N points in an M-dimensional Latin Center square;
latin_center_dataset, a program which creates a Latin Center Hypercube dataset;
latin_edge, a library which returns N points in an M-dimensional Latin Edge square;
latin_edge_dataset, a program which creates an N-point M-dimensional Latin Edge square dataset;
latin_random, a library which returns N points in an M-dimensional Latin Random square;
latin_random_dataset, a program which creates a Latin Random Hypercube dataset;
latinize, a program which adjusts N points in M dimensions to form a Latin hypercube;
lattice_rule, a library which returns lattice rules for M-dimensional integration;
lcvt, a library which makes a sort of Latinized CVT (centroidal Voronoi tessellation);
lcvt_dataset, a program which creates a Latinized CVT dataset;
legendre_product, a library which writes out a table of the integrals of products of pairs of Legendre polynomials with a linear or exponential weight.
legendre_rule, a program which writes out a Gauss-Legendre quadrature rule of given order.
legendre_rule_fast, a program which uses a fast (order N) algorithm to compute a Gauss-Legendre quadrature rule of given order.
lemke, a library which implements Lemke's algorithm for the linear complementarity problem, by Paul Fackler and Mario Miranda.
levels, a library which makes a contour plot, choosing the contour levels using random sampling.
linear_solve_distributed is a program which solves a linear system A*x=b using MATLAB's spmd facility, so that the matrix A is "distributed" across multiple MATLAB workers.
linpack_bench, a program which is the LINPACK benchmark;
linpack_bench_backslash, a program which is the LINPACK benchmark, using MATLAB's builtin "backslash" operator;
linpack_c, a library which constitutes a linear algebra library for single precision complex arithmetic;
linpack_d, a library which constitutes a linear algebra library for double precision real arithmetic;
linpack_s, a library which constitutes a linear algebra library; for single precision real arithmetic;
linpack_z, a library which constitutes a linear algebra library for double precision complex arithmetic;
linplus, a library which factors/solves/multiplies matrices in a variety of formats;
lorenz_simulation, a program which computes and displays solutions of the Lorenz equations for various initial conditions.
lyness_rule, a library which returns Lyness-Jespersen quadrature rules for the triangle.
lyrics_remote, a program which runs in parallel, using three workers which cooperate "systolically", that is, as through they were on an assembly line. The output from worker 1 is passed to worker 2 for further processing, and so on. This includes instructions on how to run the job, via MATLAB's BATCH facility, on a remote system such as Virginia Tech's ITHACA cluster.
machar, a library which dynamically computes the value of various machine characteristic constants;
machine, a library which returns tabulated values of the constants associated with computer arithmetic
mandelbrot, a program which generates an image of the Mandelbrot set;
math2070, programs which were used for a numerical analysis laboratory class.
math2071, programs which were used for a numerical analysis laboratory class.
matlab, examples which illustrate the use of MATLAB scripts and M-files;
matlab_calls_c, examples which illustrate how C functions can be written, compiled, and called from MATLAB using the MEX facility;
matlab_calls_f77, examples which illustrate how FORTRAN77 functions can be written, compiled, and called from MATLAB using MATLAB's mex facility;
matlab_commandline, examples which illustrate how MATLAB can be run from the UNIX command line, that is, not with the usual MATLAB command window.
matlab_condor, programs which illustrate how MATLAB can be run in batch mode using the CONDOR queueing system.
matlab_distcomp, a MATLAB program which remotely runs a set of 5 jobs on Virginia Tech's Ithaca cluster. These jobs are equivalent to the BIRTHDAY_REMOTE, COLOR_REMOTE, KNAPSACK_TASKS, LYRICS_REMOTE and MD_PARALLEL jobs.
matlab_movies, examples which illustrate making movies using MATLAB;
matlab_os, examples which illustrate how the system command can be used to allow MATLAB to issue commands to the computer operating system (UNIX or DOS);
matlab_parallel, examples which illustrate "local" parallel programming on a single computer with MATLAB's Parallel Computing Toolbox.
matlab_remote, examples which illustrate the use of remote job execution, in which a desktop copy of MATLAB sends programs and data to a remote machine for execution. Included is information needed to properly configure the local machine.
matrix_assemble_spmd, a program which demonstrates the SPMD parallel programming feature by having each worker assemble part of the Hilbert matrix, which is then combined into one array by the client program.
matrix_exponential, a library which demonstrates some simple approaches to the problem of computing the exponential of a matrix.
md is a program which carries out a molecular dynamics simulation, and is intended as a starting point for implementing a parallel version.
md_parfor is a program which carries out a molecular dynamics simulation; it runs in parallel using MATLAB's "parfor" facility.
memory_test, a program which tests the memory available on the computer by declaring and using big vectors.
mesh_bandwidth, a program which returns the geometric bandwidth associated with a mesh of elements of any order and in a space of M dimensions.
mesh_display, a program which reads a 2D mesh of elements of any uniform order and displays a plot of the elements and nodes, with optional numbering.
mesh_io is a library which can read or write MESH files, which can be used to define the geometry of a finite element mesh in 2D or 3D, using triangles, quadrilaterals, tetrahedrons or hexahedrons.
mesh_to_ice is a program which reads the ICE dataset information from a MESH files and rewrites it to a NETCDF file.
mex, a directory of programs which call lower-level functions written in traditional languages such as C, C++, FORTRAN77 or FORTRAN90, compiled with MATLAB's mex compiler.
mgmres, a library which applies the restarted GMRES algorithm to a sparse linear system, by Lili Ju;
mm_io, a library which reads and writes a Matrix Market Sparse Matrix File;
mm_to_hb, a program which reads a Matrix Market sparse matrix file and creates a corresponding HB Harwell Boeing sparse matrix file.
mm_to_msm, a program which reads a Matrix Market sparse matrix file and creates a corresponding MATLAB sparse matrix data structure.
mm_to_st, a program which reads a Matrix Market sparse matrix file and writes a corresponding ST Sparse Triplet file.
moc_display, a program which estimates and displays the modulus of continuity function for a given function F(X) over a finite interval [A,B], using N sample values.
mpas_grid_display, programs which can read an MPAS NETCDF grid file and display the primary polygonal mesh or the dual triangular mesh.
msm_to_hb, a program which writes a MATLAB sparse matrix to a Harwell Boeing file;
msm_to_mm, a program which writes a MATLAB sparse matrix to a Matrix Market file;
msm_to_st, a program which writes a MATLAB sparse matrix to a ST Sparse Triplet file;
mxm a program which sets up a matrix multiplication problem A=B*C of arbitrary size, and compares the time required for IJK, IKJ, JIK, JKI, KIJ and KJI orderings of the loops.
mxv, a program which compares the performance of (DO I, DO J) loops and (DO J, DO I ) loops for computing the product of an MxN matrix A and an N vector X.
nas a program which runs the NASA kernel benchmark.
ncc_tetrahedron, a library which defines Newton-Cotes closed quadrature rules in a tetrahedron;
ncc_triangle, a library which defines Newton-Cotes closed quadrature rules in a triangle;
nco_tetrahedron, a library which defines Newton-Cotes open quadrature rules in a tetrahedron;
nco_triangle, a library which defines Newton-Cotes open quadrature rules in a triangle;
neighbors_to_metis_graph, a program which reads a file describing the neighbor structure of a triangulation or tet mesh, and writes a METIS GRAPH file suitable for input to one of the family of programs based on METIS.
nelder_mead, a program which implements the Nelder-Mead algorithm for the minimization of a scalar function of several variables.
nested_sequence_display, a program which displays a set of nested sequences.
netcdf a directory of example programs which read and write NETCDF files.
netcdf_gis_read, a library which reads GIS data for Greenland stored as a NETCDF file.
netcdf_glimmer programs which read and write GLIMMER grid and solution data stored as a NETCDF file.
netcdf_mpas a library which reads MPAS grid data stored as a NETCDF file.
nethelp, an HTML help system for NETLAB.
netlab, a library which provides tools for simulation with neural networks.
niederreiter2, a library which computes the Niederreiter M-dimensional quasirandom sequence, base 2;
niederreiter2_dataset, a program which creates a Niederreiter quasirandom dataset with base 2;
nint_exactness, a program which demonstrates how to test the polynomial exactness of an M-dimensional quadrature rule defined over a finite rectangular product region.
nint_exactness_mixed a program which measures the polynomial exactness of an M-dimensional quadrature rule based on a mixture of 1D quadrature rule factors.
nint_exactness_pyramid is a program which investigates the polynomial exactness of a quadrature rule for the pyramid.
nintlib, a library which carries out approximate integration (quadrature) in M dimensions;
normal, a library which generates uniform pseudorandom numbers;
normal_dataset, a program which creates a multivariate normal random dataset;
ns3d_fem a program which sets up and solves a finite element formulation of the steady incompressible 3D Navier Stokes equations on a user-defined geometry.
obj_display, a program which displays an OBJ 3D graphics file;
obj_io, a library which reads and writes the data in an in an OBJ 3D graphics file;
obj_to_tri_surface, a program which reads an OBJ file, and extracts the surface mesh data as a TRI_SURFACEdataset.
ode_predator_prey, a program which solves a time-dependent predator-prey system using MATLAB's ODE23 solver.
ode_sweep_parfor, a program which demonstrates how the PARFOR command can be used to parallelize the computation of a grid of solutions to a parameterized system of ODE's.
oned, a library which contains functions useful for 1D finite element calculations, by Jeff Borggaard.
optimal_control_1d, a program which seeks the optimal control function for a one dimensional system which is represented using the finite element formulation;
owens a library which evaluates Owen's T function;
patterson_rule, a program which looks up and writes out a Gauss-Patterson quadrature rule of given order.
pbma_io, a library which reads or writes an ASCII PBM; (Portable Bit Map) image file;
pce_legendre, a program which assembles the system matrix associated with a polynomal chaos expansion of a 2D stochastic PDE, using Legendre polynomials;
peak_movie a program which creates the pieces of an animation, one frame at a time. Each frame is independently created and saved as a JPEG file.
pgma_io, a library which reads or writes an ASCII PGM; (Portable Gray Map) image file;
piecewise_linear_product_integral is a library which calculates the exact value of the integral of the product of two piecewise linear functions F(X) and G(X).
pink_noise, a library which computes a "pink noise" signal obeying a 1/f power law.
plinth, a library which carries out tasks associated with the interpolation of data or a function by a hierarchical set of piecewise linear functions.
plot_spmd, a library which demonstrates the SPMD parallel programming feature, by having a number of labs compute parts of a sine plot, which is then displayed by the client process.
ply_io, a library which reads or writes a PLY file.
ply_to_tri_surface, a program which reads a PLY file, and extracts the surface mesh data as a TRI_SURFACE dataset.
points_01_plot, a program which reads an ASCII file containing points in the unit square, and makes an Encapsulated PostScript image;
point_merge, a library which considers N points in M-dimensional space, and counts or indexes the unique or "tolerably unique" items.
polking programs, DFIELD5 and PPLANE5, for direction fields and phase planes of ordinary differential equations (ODE's);
polpak a library which evaluates recursively defined polynomials and other special functions;
polygonal_surface_display a program which displays a surface in 3D described as a set of polygons;
power_method a library which carries out the power method for finding a dominant eigenvalue and its eigenvector.
ppma_io a library which reads or writes an ASCII PPM; (Portable Pixel Map) image file;
prime is a program which counts the number of primes between 1 and N.
prime_parfor is a program which counts the number of primes between 1 and N; it runs in parallel using MATLAB's "parfor" facility.
prime_spmd is a program which counts the number of primes between 1 and N; running in parallel using MATLAB's "SPMD" feature.
prob a library which evaluates and samples various probability density functions;
product_factor, a program which creates an M-dimensional quadrature rule from a product of distinct 1d quadrature rules;
product_rule a program which creates an M-dimensional quadrature rule from a product of identical 1d quadrature rules;
profile a directory of programs which illustrate the use of the MATLAB profile utlity, which monitors the execution of a series of MATLAB commands, and then produces a performance profile report afterwards.
puzzles, executable programs which solve simple puzzles;
pyramid_rule, is a program which computes a quadrature rule for a pyramid.
quad, a program which applies a quadrature rule to estimate an integral, intended as a starting point for parallelization exercises.
quad_mesh, a library which handles meshes of quadrilaterals over a 2D region;
quad_mesh_rcm, a program which computes the reverse Cuthill-McKee (RCM) reordering for nodes in a mesh of 4-node quadrilaterals.
quad_parfor is a program which estimates an integral using quadrature; running in parallel using MATLAB's "PARFOR" feature.
quad_spmd is a program which estimates an integral using quadrature; running in parallel using MATLAB's "SPMD" feature.
quad_surface_display, a program which plots piecewise bilinear data associated with a QUAD_SURFACE, that is, a 3D surface defined by a quadrilateral mesh;
quad_tasks is a program which estimates an integral using quadrature; running in parallel using MATLAB's "TASK" feature.
quadrature_test a program which reads the definition of an M-dimensional quadrature rule from three files, applies the rule to a number of test integrals, and prints the results.
quadrature_test_2d a program which reads the definition of a 2D quadrature rule from three files, applies the rule to a number of test integrals, and prints the results.
quadrule a library which defines quadrature rules for approximating an integral;
quadrule_fast a library which rapidly defines certain quadrature rules for approximating an integral;
quality a library which measures the dispersion of pointsets in M dimensions;
r8lib, a library which contains many utility routines, using "R8" or "double precision real" arithmetic.
randlc, a library which generates a sequence of pseudorandom numbers, used by the NAS Benchmark programs.
random_data, a library which generates sample points for various probability density functions, geometries, and dimensions;
random_walk_1d_simulation, a program which simulates a random walk in a 1-dimensional region.
random_walk_2d_avoid_simulation, a program which simulates a self-avoiding random walk in a 2-dimensional region.
random_walk_2d_avoid_tasks, a program which computes many self avoiding random walks in 2D by creating a job which defines each walk as a task, and then computes these independently using MATLAB's Parallel Computing Toolbox task computing capability.
random_walk_2d_simulation, a program which simulates a random walk in a 2-dimensional region.
random_walk_3d_simulation, a program which simulates a random walk in a 3-dimensional region.
rcm, a library which applies the reverse Cuthill McKee algorithm for reordering the nodes of a graph, and reducing the bandwidth of a corresponding sparse matrix;
region_sample, a program which returns sample points from a region;
rkf45, a library which applies a Runge-Kutta-Fehlberg solver to a system of ODE's;
sammon_data is a program which generates six examples of M-dimensional datasets for cluster analysis.
sandia_cubature, a library which implements quadrature rules for certain M-dimensional regions and weight functions.
sandia_rules, a library which produces a standard 1D Gauss quadrature rule of Chebyshev, Gegenbauer, generalized Hermite, generalized Laguerre, Hermite, Jacobi, Laguerre, and Legendre types.
sandia_sparse, a library which can produce a M-dimensional sparse grid, based on a variety of 1D quadrature rules; only isotropic grids are generated, that is, the same rule is used in each dimension, and the same maximum order is used in each dimension.
satisfy is a program which demonstrates, for a particular circuit, an exhaustive search for solutions of the circuit satisfiability problem.
satisfy_parfor is a program which carries out a circuit satisfiability search; it runs in parallel using MATLAB's "parfor" facility.
sde, a library which illustrates the properties of stochastic differential equations, and common algorithms for their analysis, by Desmond Higham;
sequence_streak_display, a program which displays a "streak plot" of a numeric sequence;
set_theory a library which demonstrates MATLAB commands that implement various set theoretic operations.
sftpack a library which implements the "slow" Fourier transform, intended as a teaching tool and comparison with the fast Fourier transform.
sgmga, a library which creates sparse grids based on a mixture of 1D quadrature rules, allowing anisotropic weights for each dimension.
shallow_water_1d is a program which simulates the evolution of a 1D fluid governed by the time-dependent shallow water equations.
shallow_water_2d is a program which simulates the evolution of a 2D fluid governed by the time-dependent shallow water equations, by Cleve Moler.
simplex_coordinates, a library which computes the Cartesian coordinates of the vertices of a regular simplex in M dimensions.
sir_simulation is a program which simulates the spread of a disease through a hospital room of M by N beds, using the SIR (Susceptible/Infected/Recovered) model.
sobol, a library which generates elements of the Sobol M-dimensional quasirandom sequence;
sobol_dataset, a program which creates a Sobol quasirandom dataset;
sparse, a directory of example programs which illustrate the use of MATLAB's SPARSE matrix utilities;
sparse_grid_cc, a library which creates sparse grids based on Clenshaw-Curtis rules.
sparse_grid_cc_dataset, a program which creates sparse grids based on Clenshaw-Curtis rules.
sparse_grid_closed, a library which creates sparse grids based on closed rules (Clenshaw-Curtis, Newton-Cotes-Closed).
sparse_grid_closed_dataset, a program which creates of a sparse grid dataset based on closed rules (Clenshaw-Curtis, Newton-Cotes-Closed).
sparse_grid_composite, a library which creates sparse grids based on 1D composite rules (currently only of order 1).
sparse_grid_display, a program which reads a file of points on a sparse grid, displays the grid and save the image in aPNG file;
sparse_grid_gl, a library which creates sparse grids based on Gauss-Legendre rules.
sparse_grid_gl_dataset, a program which creates a sparse grid dataset based on Gauss-Legendre rules.
sparse_grid_hermite, a library which creates sparse grids based on Gauss-Hermite rules.
sparse_grid_hermite_dataset, a program which creates a sparse grid dataset based on Gauss-Hermite rules.
sparse_grid_hw, a library which creates sparse grids based on Gauss-Legendre, Gauss-Hermite, Gauss-Patterson, or a nested variation of Gauss-Hermite rules, by Florian Heiss and Viktor Winschel.
sparse_grid_laguerre, a library which creates sparse grids based on Gauss-Laguerre rules.
sparse_grid_laguerre_dataset, a program which creates a sparse grid dataset based on Gauss-Laguerrre rules.
sparse_grid_mixed, a library which creates sparse grids based a mixture of 1D factor rules.
sparse_grid_mixed_dataset, a program which creates a sparse grid dataset based on a mixture of 1D rules.
sparse_grid_open, a library which creates sparse grids based on open rules (Fejer 2, Gauss-Patterson, Newton-Cotes-Open).
sparse_grid_open_dataset, a program which creates a sparse grid dataset based on open rules (Fejer 2, Gauss-Patterson, Newton-Cotes-Open).
sparse_grid_pure, a library which is for the analysis and creation of sparse grids in which a single family of 1D quadrature rules is used for all spatial dimensions.
sparse_grid_total_poly, a library which investigates the efficient approximation of all polynomials up to a given total degree using sparse grids.
sparse_grids_display, a program which reads two files of sparse grids, displaying the first with hollow blue dots, the second with solid red dots.
sphere_cvt, a program which carries out the Centroidal Voronoi Tessellation iteration on the unit sphere.
sphere_delaunay, a program which computes the Delaunay triangulation of points on the unit sphere.
sphere_exactness, a program which tests the polynomial exactness of a quadrature rule for the unit sphere;
sphere_grid, a library which provides a number of ways of generating grids of points, or of points and lines, or of points and lines and faces, over the unit sphere.
sphere_lebedev_rule, a library which computes Lebedev quadrature rules for the unit sphere;
sphere_lebedev_rule_display, a program which reads a file defining a Lebedev quadrature rule for the sphere and displays the point locations.
sphere_monte_carlo, a library which applies a Monte Carlo method to estimate the integral of a function over the surface of the unit sphere in 3D;
sphere_quad, a library which approximates an integral over the surface of the unit sphere by applying a triangulation to the surface;
sphere_stereograph is a library which computes the stereographic mapping between points on the unit sphere and points on the plane Z = 1; a generalized mapping is also available.
sphere_stereograph_display is a library which computes and displays the results of several stereographic projections between a sphere and a plane.
sphere_voronoi, a program which computes the Voronoi diagram of points on the unit sphere.
sphere_xyz_display is a program which reads XYZ information defining points in 3D, and displays a unit sphere and the points in the MATLAB 3D graphics window.
sphere_xyzf_display is a program which reads XYZ information defining points coordinates, and XYZF information defining point indices forming faces, and displays a unit sphere, the points, and the faces, in the MATLAB 3D graphics window.
spherical_harmonics, a library which evaluates spherical harmonic functions.
spinterp, a library which carries out piecewise multilinear hierarchical sparse grid interpolation, quadrature and optimization, by Andreas Klimke;
an earlier version of this software is ACM TOMS Algorithm 847.
spline, a library which interpolates and approximates via splines;
st_io a library which reads and writes sparse linear systems stored in the ST "sparse triplet" Sparse Matrix format.
st_to_hb, a program which converts a sparse matrix file from ST format to HB format (Harwell Boeing format);
st_to_mm, a program which converts a sparse matrix file from ST format to MM format (Matrix Market format);
st_to_msm, a program which reads an ST sparse triplet file and creates a corresponding MATLAB Sparse Matrix.
stla_display, a program which displays an STLA file (ASCII stereolithography 3D graphics file);
stla_io, a library which reads and writes an STLA file (ASCII stereolithography 3D graphics file);
stla_to_tri_surface, a program which reads a STLA file, and extracts the surface mesh data as a TRI_SURFACEdataset.
stla_to_tri_surface_fast, a program which is a faster version of stla_to_tri_surface.
stochastic_diffusion, functions which implement several versions of a stochastic diffusivity coefficient.
stochastic_gradient_nd_noise, a program which solves an optimization problem involving a functional over a system with stochastic noise.
stochastic_rk, a library which applies a Runge-Kutta scheme to a stochastic differential equation.
stroud, a library which implements numerical integration over M-dimensional regions, including spheres, toruses and other shapes;
subpak, a library which includes many utility routines;
subset, a library which ranks, unranks, and generates random subsets, combinations, permutations, and so on;
subset_sum is a program which seeks solutions of the subset sum problem.
sudoku, a library which handles Sudoku puzzles;
sum_million, a program which sums the integers from 1 to 1,000,000, as a demonstration of how to rate a computer's speed;
svd_basis, a program which applies the singular value decomposition to a collection of data vectors, extracting dominant modes;
svd_demo, a program which demonstrates the calculation of the singular value decomposition and some of its properties;
table_delaunay, a program which reads a TABLE file of N points in 2 dimensions and writes out the Delaunay triangulation;
table_io, a library which reads and writes a simple TABLE file;
table_latinize, a program which reads a TABLE file of N points in M dimensions, adjusts to form a Latin hypercube;
table_merge, a program which reads a TABLE file of N points in M dimensions, removes duplicates or points that are closer than some tolerance, and writes the reduced set of points to a file.
table_quality, a program which reads a TABLE file of N points in M dimensions, in the unit hypercube, and returns estimates of the quality of the point dispersion;
table_read, a program which reads a TABLE file containing comment lines beginning with '#', and a matrix of data, one row per line;
table_voronoi, a program which reads a TABLE file of N points in 2 dimensions, calls GEOMPACK to get Delaunay triangulation information, and then determines and prints the Voronoi diagram information;
tanh_quad, a library which sets up the tanh quadrature rule;
tanh_sinh_rule, a program which computes and writes out a tanh-sinh quadrature rule of given order.
tcell_flow_display, a library which displays a single velocity field solution for the T cell;
tcell_flow_movie, a library which creates an animation of the velocity solutions for the T cell;
tcell_rom, a program which solves a reduced order model of a finite element solution of the Navier Stokes equations in a "T-Cell" flow region;
tec_io, a library which reads or writes a TECPLOT ASCII file containing finite element information;
tec_to_fem, a program which reads a TECPLOT ASCII file, extracts the information, and writes a corresponding set of FEM files, three text files describing the finite element model;
tec_to_vtk, a program which reads a particular TECPLOT ASCII file containing 80 frames of the movement of a red blood cell, and creates 80 separate VTK unstructured grid files, which can then be read by PARAVIEW and animated.
templates, a library which carries out the iterative solution of linear systems;
test_con, a library which implements test problems for numerical continuation.
test_int, a library which implements test problems for approximate integration (quadrature) in one dimension.
test_int_2d, a library which implements test problems for approximate integration (quadrature) in two dimensions.
test_int_hermite, a library which implements test problems for approximate integration over an infinite interval.
test_int_laguerre, a library which implements test problems for approximate integration over a semi-infinite interval.
test_mat a library which defines a set of test matrices.
test_matrix, a library which defines a set of test matrices and utilities, by Nick Higham;
test_min, a library which implements test problems for minimization of a scalar function of a scalar variable.
test_nint, a library which implements test problems for approximate integration (quadrature) in M dimensions.
test_ode, a library which defines some sample ODE's for testing initial value problem solvers;
test_tri_int, a library which implements test functions for integration over a triangle in 2 dimensions.
test_triangulation, a library which defines test problems for triangulation;
test_values, a library which returns selected values of some special functions;
test_zero, a library which defines some functions f(x) suitable for testing software that solves f(x)=0;
testpack a library which defines a set of test integrand functions, by Alan Genz.
tet_mesh a library which works with tetrahedral meshes in 3D;
tet_mesh_boundary, a program which reads information defining a tetrahedral mesh of points in 3D, and determines the triangular faces that form the boundary of the mesh; it writes out files containing the nodes and elements defining thisTRI_SURFACE.
tet_mesh_display, a program which reads data defining a (small) tet mesh, displays a wireframe image of the nodes and edges;
tet_mesh_l2q, a program which reads information about a 4-node (linear) tet mesh and creates data defining a corresponding 10-node (quadratic) tet mesh;
tet_mesh_q2l, a program which reads information about a 10-node (quadratic) tet mesh and creates data defining a corresponding 4-node (linear) tet mesh;
tet_mesh_quality, a program which computes various quality measures for a tet mesh of a set of nodes in 3D;
tet_mesh_rcm, a program which computes the reverse Cuthill-McKee reordering for the nodes of a tet mesh that uses 4-node or 10-node tetrahedrons;
tet_mesh_refine, a program which refines a tet mesh;
tet_mesh_tet_neighbors, a program which reads information about a tet mesh and writes out a list of the tetrahedrons that are adjacent to a given tetrahedron;
tet_mesh_volumes is a program which computes the volume of each tetrahedron in a tet mesh;
tetrahedron_exactness, a program which tests the polynomial exactness of a quadrature rule for the tetrahedron;
tetrahedron_grid, a library which computes a tetrahedral grid of points.
tetrahedron_monte_carlo, a program which uses the Monte Carlo method to estimate an integral over a tetrahedron.
tetrahedron_properties, a program which prints out the properties of a tetrahedron whose vertex coordinates are read from a file;
tetrahedron_slice_animate, a program which is given a tetrahedron and a vector, and displays an evenly spaced sequence of planes that intersect the tetrahedron and are normal to the vector.
tetrahedron_slice_display, a program which determines the intersection between a tetrahedron and a plane and displays the result.
three_body_simulation is a program which simulates the behavior of three planets, constrained to lie in a plane, and moving under the influence of gravity, by Walter Gander and Jiri Hrebicek.
threed, a library which contains functions useful for 3D finite element calculations, by Jeff Borggaard.
threed_to_tecplot, a program which accepts computational data from a 3D finite element fluid flow program and writes it to a TECPLOT ASCII graphics file.
threed_to_vtk, a program which accepts computational data from a 3D finite element fluid flow program and writes it to a VTK "legacy" file for postprocessing by PARAVIEW.
threed_to_vtu, a program which accepts computational data from a 3D finite element fluid flow program and writes it to a VTK unstructured grid file for postprocessing by PARAVIEW.
threed_to_vu, a program which accepts computational data from a 3D finite element fluid flow program and writes it to a file for postprocessing by VU.
timer, examples which illustrate how to time a piece of code;
timestamp, a library which prints the current YMDHMS date as a timestamp;
toms178 a library which seeks the minimizer of a scalar function of several variables using the Hooke-Jeeves method;
this is a MATLAB version of ACM TOMS algorithm 178.
toms179 a library which calculates the incomplete Beta ratio;
this is a MATLAB version of ACM TOMS algorithm 179.
toms291 a library which approximates the logarithm of the Gamma function;
this is a MATLAB version of ACM TOMS algorithm 291.
toms655 a library which computes computes the weights for interpolatory quadrature rule;
this library is commonly called IQPACK;
this is a MATLAB version of ACM TOMS algorithm 655.
toms847, a library which carries out piecewise multilinear hierarchical sparse grid interpolation, commonly known as SPINTERP, by Andreas Klimke;
this is ACM TOMS Algorithm 847.
toms866 a library which contains the Incompressible Flow Iterative Solution Software (IFISS);
this is ACM TOMS algorithm 866.
traffic_simulation, a program which simulates the cars waiting to get through a traffic light.
tri_surface_display, a program which displays a triangulated surface;
tri_surface_io, a library which reads and writes the 3D graphics information in a TRI_SURFACE file;
tri_surface_to_obj, a program which reads a TRI_SURFACE dataset and extracts the surface mesh data as an OBJ file.
tri_surface_to_ply, a program which converts a TRI_SURFACE dataset to a dataset suitable for storage as a PLY file.
tri_surface_to_stla, a program which reads a TRI_SURFACE dataset and extracts the surface mesh data as an ASCIISTL file.
triangle_display is a program which displays the nodes and elements of a triangulation on the MATLAB graphics screen, assuming the data has been stored in NODE and ELE files by the triangle program.
triangle_exactness, a program which tests the polynomial exactness of a quadrature rule for triangles;
triangle_grid, a library which computes a triangular grid of points.
triangle_histogram, a program which computes histograms of data on the unit triangle.
triangle_monte_carlo, a program which uses the Monte Carlo method to estimate an integral over a triangle.
triangle_properties, a program which computes properties of a triangle whose vertex coordinates are read from a file.
triangulate, a program which triangulates a polygonal region, based on a C program by Joseph ORourke;
triangulation, a library which computes the triangulation of a set of points in the plane, and to perform various operations using a triangulation;
triangulation_boundary_nodes, a program which reads data defining a triangulation, determines which nodes lie on the boundary, and writes their coordinates to a file;
triangulation_corner, a program which modifies triangulations in which one or more triangles have more than one boundary edge.
triangulation_delaunay_discrepancy is a program which measures the amount by which a triangulation fails the local Delaunay test;
triangulation_display, a program which displays the nodes and elements of a triangulation on the MATLAB graphics screen;
triangulation_histogram, a program which computes histograms of data over a triangulation.
triangulation_l2q, a program which reads information about a 3-node (linear) triangulation and creates data defining a corresponding 6-node (quadratic) triangulation;
triangulation_mask, a program which reads a triangulation and calls a user-supplied routine to consider each triangle for deletion;
triangulation_order1_display, a program which plots piecewise constant data associated with a triangulation;
triangulation_order3_contour, a program which plots color contours of a scalar quantity evaluated at the nodes of a 3-node triangle triangulation.
triangulation_order6_contour, a program which plots color contours of a scalar quantity evaluated at the nodes of a 6-node triangle triangulation.
triangulation_orient, a program which ensures that the triangles in an order 3 or order 6 triangulation have positive orientation;
triangulation_plot, a program which plots the nodes and elements of a triangulation as a PostScript file;
triangulation_q2l, a program which reads information about a 6-node triangulation and creates data defining a corresponding 3-node triangulation;
triangulation_quad, a program which reads information about a triangulation and the value of a function at the nodes and estimates the integral of the function over the triangulated region.
triangulation_quality, a program which reads information about a triangulation and computes various quality measures;
triangulation_rcm, a program which computes the reverse Cuthill-McKee reordering for the nodes of a triangulation that uses 3-node or 6-node triangles;
triangulation_refine, a program which refines a triangulation;
triangulation_t3_to_t4, a program which reads information about a 3-node T3 triangulation and creates data defining a corresponding 4-node T4 triangulation;
triangulation_triangle_neighbors, a program which reads data defining a triangulation, finds the three neighbor triangles for each triangle, and writes them to a file;
truel_simulation a program which simulates N repetitions of a duel between three players, each of whom has a known firing accuracy.
tumor, a program which demonstrates a model of tumor growth;
twod, a library which contains functions useful for 2D finite element calculations, by Jeff Borggaard.
twod_plotc, a program which makes a color contour plot of scalar data defined on a 2D finite element mesh.
twod_to_vtk, a program which accepts computational data from a 2D finite element fluid flow program and writes it to a VTK "legacy" file for postprocessing by PARAVIEW.
twod_to_vtu, a program which accepts computational data from a 2D finite element fluid flow program and writes it to a VTK unstructured grid file for postprocessing by PARAVIEW.
uniform, a library which computes N elements of a uniform pseudorandom sequence;
uniform_dataset, a program which creates N elements of an M-dimensional uniform pseudorandom sequence and writes them to a file.
van_der_corput, a library which computes elements of the van der Corput 1-dimensional quasirandom sequence;
van_der_corput_dataset, a program which creates N elements of a van der Corput sequence and writes them to a file.
vector_magnitude_grid, a program which reads vector data at "scattered" points, computes an interpolatory function, evaluates it on a uniform grid of user-specified density, and produces a contour plot of the vector magnitude.
vector_stream_grid, a program which reads vector data at "scattered" points, computes an interpolatory function, evaluates it on a uniform grid of user-specified density, and produces a streamline plot.
velocity_arrows, a program which reads coordinate data and velocity data from two files and makes an arrow plot of the velocity field.
velocity_arrows_grid, a program which reads node and velocity data, stored in two files, at "scattered" points, and makes a velocity vector plot on a uniform grid of user-specified density.
velocity_arrows_grid_sequence2, a program which reads a single XYUV file of nodes and velocities, interpolates the data onto a smooth grid, plots the data and writes it to a PNG file, and then repeats the process for the next file.
velocity_arrows_sequence, a program which reads a fixed coordinate data file, and a sequence of velocity data files, and makes a sequence of velocity arrow plots.
velocity_arrows_sequence2, a program which reads a single XYUV file of nodes and velocities, plots the data and writes it to a PNG file, and then repeats the process for the next file.
voronoi_mountains, a program which makes a "mountain plot" of a Voronoi diagram, that is, a surface plot of the distance from each point to its nearest Voronoi generator.
voronoi_plot, a program which plots the Voronoi neighborhoods of points, using L1, L2, LInfinity or arbitrary LP norms;
walsh is a library which implements versions of the Walsh and Haar transforms.
wandzura, a library which returns one of 6 Wandzura rules for quadrature in a triangle;
weekday is a library which determines the day of the week for a given day.
wtime is a library which returns a reading of the wall clock time in seconds.
xy_display a program which reads an XY file containing the coordinates of points in 2D, and displays an image in the MATLAB graphics window;
xy_io, a library which reads and writes XY files.
xyf_display is a program which reads XYF information defining points and faces in 2D, and displays an image in the MATLAB graphics window.
xyl_display is a program which reads XYL information defining points and lines in 2D, and displays an image in the MATLAB graphics window.
xyz_display is a program which reads XYZ information defining points in 3D, and displays an image in the MATLAB 3D graphics window.
xyz_io, a library which reads and writes XYZ files.
xyzf_display is a program which reads XYZF information defining points and faces in 3D, and displays an image in the MATLAB 3D graphics window.
xyzl_display is a program which reads XYZL information defining points and lines in 3D, and displays an image in the MATLAB 3D graphics window.
ziggurat, a library which samples the uniform, normal or exponential distributions, using the ziggurat method.

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Saturday, May 7, 2011

how to learn/ get MATLAB Source Codes free notes

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