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updated 1 year ago

TransposeMat - like transpose, but handles N-D arrays by Chad Webb

Transposes the rows/columns (only) on any N-dimensional array (simulation, optimization, earth science)

TransposeMat(in)

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updated 1 year ago

Experimental Investigation on Solar Chimney for room ventilation by Ashish Meshram (Meet)

This project implements experimental Investigation on Solar chimney for room ventilation (solar chimney, ventilation, mass rate flow)

EISCRV(H,T,Ta,Ls,W,z,d,Vr,maxiter,maxerr)

GaussSeidelSOR(A,b,omega,es,maxit)

MatCrea(Coeff,Flux,Wall,Tf,Ta,Ls,z,W,d)

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updated 1 year ago

IMComp-Image Compression Software by Saurabh Aggarwal

IMComp is an Image Compression tool useful for compressing digital JPG images. (image processing, gui, optimization)

IMComp(varargin)

imagecompression.m

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updated 1 year ago

Grid of points within a polygon by Sulimon Sattari

This function generates an array of points that lie within a given polygon (polygon, points, point)

polygrid( xv, yv, ppa)

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updated 1 year ago

K means clustering for Image Compression by Vinay Kumar Tadepalli

K-means clustering is a popular vector quantization method for data compression. (image processing, simulation, demo)

Kmeans_Pre_Post.m

kmeans_clustering.m

Image_kmeans_main.m

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updated 1 year ago

modified cumsum for partial accumulated sums by Stephan Koehler

Determine the accumulated sum of series of non-zero values of vectors, resetting at zero entries (mathematics, physics, matrix)

cumsum_restart0( varargin )

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updated 1 year ago

tridiag.m by Mark Holmes

tridiagonal matrix equation solver (Thomas algorithm) (mathematics, matrix)

tridiag( a, b, c, f )

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updated 1 year ago

Create a quadratic Matrix of DICOM images by Thomas Lindner

Load all DICOM images, change the Matrix size and save them again, keeping the header (Metadata). (dicom, matrix size, load dicom)

change_DICOM_Matrix.m

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updated almost 2 years ago

comb by Justin Winokur

Quickly generate all combination of integers up to specified value in each dimension (statistics, matrix, mathematics)

comb_arr=comb(p,start)

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updated almost 2 years ago

One-Sided FFT by Aravazhi Anbarasu

More intuitive than built in function for simple operations.Useful for repetitive code and plotiing. (data export, data import, communications)

fft_calc(X,fs)

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updated almost 2 years ago

showcells by David Smith

Display contents and structure of a cell array using ASCII boxes. (data exploration, matrix, mathematics)

showcells (C)

demo.m

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updated almost 2 years ago

Gaussian Elimination & Inverse Matrix Finder by Mohammed Al-Mostafa

Gaussian Elimination with pivoting& Inverse Matrix Finder using determinant and Gaussian elimination (matrix, mathematics)

Numerical.m

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updated 2 years ago

GUI for Hybrid Sudoku Solver by Chi-Hang Kwan

A simple GUI to solve Sudoku puzzles. Uses both logical and bruteforce methods. (gui, matrix, mathematics)

SudokuSolver(C)

Sudoku_GUI2

[bool, C, iter]=BruteForce(C,index,empty,iter,PosVal)

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updated 2 years ago

Image Noise Reduction by Local Statistics by Tristan Ursell

Reduce image noise by measuring local pixel statistics and remapping intensities. (image processing, image, noise)

[varargout]=relnoise(Iin,sz,sigma,varargin)

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updated 2 years ago

Edit Distance Algorithm by Reza Ahmadzadeh

Edit Distance is a standard Dynamic Programming problem. (mathematics, search, dynamic programming)

EditDistance(string1,string2)

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updated 2 years ago

CELP codec by Sourav Mondal

This is a code to demonstrate CELP codecs of bitrate 9.6kbps and 16kbps. (celp, audio codec, lpc)

celp16k(x,N,L,M,c,cb,Pidx)

celp9600(x,N,L,M,c,cb,Pidx)

celpana(x,L,M,c,cb,Pidx,bbuf,ebuf,Zf,Zw)

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updated 2 years ago

Modified gradient for gpuArray's by boyexex

Slightly modified the gradient function of MATLAB that is usable for gpuArray. (image processing, signal processing, mathematics)

ggradient(f,varargin)

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updated 2 years ago

Nonnegative Matrix and Tensor Factorization (NMF, NTF) with any beta-divergence by Antoine Liutkus

very simple to use implementation of the NMF/NTF model (nmf, ntf, nonnegative)

betaNTF(V,K,varargin)

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updated 2 years ago

Linear regression with statistics for multiple category data by Soumya Banerjee

This function does linear regression with statistics for multiple category data (OLS and RMA) (aerospace, automotive, biotech)

regress_plot_twocategories

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updated 2 years ago

Matrix Logarithm with Frechet Derivatives and Condition Number by Samuel Relton

Computing the matrix logarithm in real/complex arithmetic with derivatives and condition numbers. (matrix function, matrix, mathematics)

logm_frechet( varargin )

logm_frechet_complex(A,E)

logm_frechet_real(A,E)

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updated 2 years ago

COUNT_MATRIX_ELEMS by Paulo Coelho

Obtains unique row elements from MxN matrix A and counts the number of occurrences. (image processing, mathematics, data exploration)

count_matrix_elems.m

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updated 2 years ago

Random Search Algorithm by Reza Ahmadzadeh

Random search belongs to the fields of Stochastic Optimization and Global Optimization. (optimization, random, search)

RSA.m

RSA_visual.m

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updated 2 years ago

Draw lines with arrows by Sabesan

Draw lines with arrows. Multiple optional parameters are given for controlling the arrow and line (draw lines, plot, figure)

draw_line2(p1, p2, varargin)

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updated 2 years ago

Draw line with Arrows in 3D by Sabesan

draw_line3 draw line with directional arrow/arrows for the given 3D vector coordinates. (arrow, line in 3d, vector)

draw_line3(p1, p2, varargin)

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updated 2 years ago

Array Factor by Electromagnetizery

Array Factor for dipoles. Adjustable number of elements, progressive phase, and separation distance. (af, array, factor)

ArrayFactor(varargin)

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updated 2 years ago

Scalable Vector Graphics (SVG) Export of Figures by Juerg Schwizer

Converts 3D and 2D MATLAB plots to the scalable vector format (SVG). (specialized, plotting, svg)

demo_svg_water

plot2svg.m

simulink2svg

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updated 2 years ago

Pseudo Random Network Coding using Diagonal Matrix by Mohammad Hossain

In order to reduce transmission times and recover loss packets development of PRNC code. (communications, mathematics, simulation)

NCL(A)

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updated 2 years ago

Experiments with MATLAB by Cleve Moler

Apps from Experiments with MATLAB (mathematics, matrix, article)

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updated 2 years ago

Numerical Computing with MATLAB by Cleve Moler

Apps from Numerical Computing with MATLAB (mathematics, matrix, article)

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updated 2 years ago

Beam Propagation Method for advancing gaussian beam in a profiled medium by Ido

Basic GUI for Beam Propagation Method. (gui, mathematics, simulation)

Beam Propagation Method for advancing gaussian beam

Beam_Propagation_Method_GUI ( varargin )

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updated 2 years ago

Round Toward Vector of Values by Tom R

Round values towards a given vector of choices. (round, fix, floor)

newnums=roundtowardvec(X,roundvec,type)

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updated 2 years ago

Bistatic Ambiguity Function by Luigi

To calculate the Ambiguity function for a bistatic Radar (bistatic, radar, ambiguity)

varargout=bisambfun(u,r,fs,cut)

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updated 2 years ago

Gabor function by Niru Maheswaranathan

Generates a 2D spatial Gabor function. Useful for generating model simple cell receptive fields. (gabor, function, image processing)

gabor(varargin)

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updated 2 years ago

Symmetric eigenvalue decomposition and the SVD by Yuji Nakatsukasa

Eigendecomposition of a symmetric matrix or the singular value decomposition of an arbitrary matrix (mathematics, matrix, eigenvalue)

qdwh(A,alpha,L,piv)

qdwheig(H,normH,minlen,NS)

qdwhsvd(A,a,b,minlen,NS);

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updated 2 years ago

Cofactor Matrix Generator by Angelica Ochoa

Generates a matrix of cofactor values for an M-by-N matrix. (mathematics, statistics, linear algebra)

cof=cof(a);

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updated 2 years ago

Kolam Generator by Janardhanan Sivaramakrishnan

This suite of functions can be used to generate geometric line drawing of Kolams. (mathematics, matrix, interpolation)

M=propose_kolam1D(size_of_kolam)

M=propose_kolam2D(size_of_kolam)

[N,len,Island]=count_islands(M)

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updated 2 years ago

Brick Toolbox by Thomas Deneux

The Brick Toolbox is a set of utility functions for Matlab. (easy, fast, cool)

a=fn_readasciimatrix(filename,nheaders)

createhelpfiles(mfile)

data=fn_bin(data,bins,varargin)

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updated 2 years ago

All Sums by Mike Sheppard

Distribution of unique sums among all combinations of vectors. (mathematics, statistics, matrix)

[S,C]=allsums(varargin)

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updated 2 years ago

Repeated Values by Mike Sheppard

Finds all repeated values for input X, and their attributes. (data exploration, statistics, mathematics)

[RV,NR,POS,IR]=repval(varargin)

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updated 2 years ago

polymorph by Mike Sheppard

Morphs two polygons (optimization, data exploration, matrix)

P=polymorph(P1,P2,numsteps,numpts,exact)

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updated 2 years ago

Cell Extrema by Ioannis Filippidis

Find the minimum and maximum of 2D cell matrix, which may contain nested cell or numeric arrays. (matrix, mathematics, data exploration)

extrema(x)

max_cell(a)

min_cell(a)

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updated 2 years ago

Monte Carlo Markov Chain for inferring parameters for an Ordinary Differential Equation model by Soumya Banerjee

This function uses a Monte Carlo Markov Chain algorithm to infer parameters for an ODE model (biotech, data export, data import)

mcmc_ode

analyze_mcmc(parallel)

test_gamma()

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updated 2 years ago

Matrix Convolution with Sub-Pixel Resolution by Tristan Ursell

Convolve two matrices at sub-pixel resolution, using bilinear interpolation. (matrix, convolve, convolution)

matout=matoverlay(mat1,mat2,x,y)

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updated 2 years ago

Fisher Matrix Toolbox (Fisher4Cast ) by Yabebal Fantaye

General Fisher Matrix Toolbox and GUI (statistics, probability, fisher4cast)

Cooray_et_al_2004

EXT_FF_Blake_etal2005_Input

EXT_FF_Blake_etal2005_Main(Input_survey)

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updated almost 3 years ago

image_save by Tristan Ursell

You know that annoying error when trying to write to an image stack in Matlab? (image, stack, save)

image_save(Im1,basename,varargin)

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updated almost 3 years ago

Store Binary Trees in Matrices or Cells by Abraham

The utilities manipulate matrices or cells which store binary trees. (tree, mathematics, data exploration)

apndtmx(La,Ea,A,Lb,Eb,B)

chldoftmx(L,E,A)

tree2mtx(L,E,D)

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updated almost 3 years ago

Identify edge and corner element numbers by sunil anandatheertha

Identify the elements lying along edges and corners of a 2D (n x m) matrix (matrix, aerospace, mathematics)

IdentifyEdgesAndCorners(A)

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updated almost 3 years ago

Specific Sample Function Plotting using MatLab 7.12 by Nadir Altinbas

Function plotting (function, pyramid surface, interval)

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updated almost 3 years ago

Graphical User Interface for Solving Ordinary Differential Equations by Soumya Banerjee

A Graphical User Interface for Solving Ordinary Differential Equations (Immune Response Model) (data export, data import, gui)

odecall_eclipse_tcl_jv_local(target,infected,...

odesolver_outline(varargin)

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updated almost 3 years ago

Newton's method done right by Andrew Knyazev

Newton's method for solving systems of nonlinear equations, including nonsquare and inconsistent (mathematics, physics, modeling)

Newton(X,F,X0,varargin)

NewtonDemoRunMe.m

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