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updated 5 days ago

higham/matrices-correlation-invalid by Nick Higham

Nick Higham (view profile)

Collection of invalid correlation matrices (mathematics, matrices, correlation)

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updated 6 days ago

josecamachop/MEDA-Toolbox by José

José (view profile)

Multivariate Exploratory Data Analysis Toolbox for Matlab (data exploration, matrices, analysis)

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updated 7 days ago

Easy Visualization of rows of a matrix or more matrices by Michele

Michele (view profile)

Easy plot of a matrix (or more than one) with many channels (plot, utilities, figure)

plot_array.m

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updated 25 days ago

Permute a grouped vector by Dimitri Shvorob

(Extension of RANDPERM) (matrices, permute rearrange gro...)

randperg.m

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updated 25 days ago

Reshape a matrix by Dimitri Shvorob

(pivot and unpivot) (matrices, long, tall)

tall2wide.m

wide2tall.m

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updated 25 days ago

Merge matrices by Dimitri Shvorob

(in a SQL equijoin) (matrices, join, merge)

joinmat.m

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updated 29 days ago

VLOOKUP by Kardi Teknomo

vlookup tutorial (matrices, lookup table, vlookup)

vlookup(m,lut,n)

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updated 29 days ago

findn by Suresh Joel

Suresh Joel (view profile)

Function similar to find for multidimensional arrays. (matrices, find, 3d matrix)

findn(arr)

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updated 30 days ago

Zigzag Scan by Alexey Sokolov

Straight and inverse zigzag scan for matrices of any sizes (matrices, zigzag, scan)

izigzag(in, vmax, hmax)

zigzag(in)

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updated 1 month ago

vec2grid by Kelly Kearney

Kelly Kearney (view profile)

Reshapes vector data to a grid (matrices, reshape, griddata)

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updated 1 month ago

RUNINDEX by Jos (10584)

Jos (10584) (view profile)

linear indices for each run in a vector (run length encoding) (indexing, run length encoding, linear)

runindex(V)

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updated 2 months ago

NCHOOSE by Jos (10584)

Jos (10584) (view profile)

all combinations of the elements of a set (matrices, matrix, nchoosek)

nchoose(S)

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updated 2 months ago

padcat(varargin) by Jos (10584)

Jos (10584) (view profile)

concatenate vectors with different lengths by padding with NaN (matrix, matrices, matrix manipulation)

padcat(varargin)

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updated 2 months ago

allcomb(varargin) by Jos (10584)

Jos (10584) (view profile)

All combinations of input (v4.1, feb 2016) (matrices, all, combination)

allcomb(varargin)

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updated 3 months ago

Random Binary Matrix With Specified Probability Constrained To Have Ones On The Main Diagonal by Star Strider

Creates a square (0,1) random matrix with 1s on the main diagonal, and specified probability of 1s. (matrix, matrices, binary)

RandBinMtxDiag.m

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updated 4 months ago

Transformation matrix for stress and strain by pezhman moradi

Transformation Matrix (mathematics, matrices)

transform_matrix.m

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updated 5 months ago

higham/modified-cholesky by Nick Higham

Nick Higham (view profile)

Modified Cholesky factorization (matrices)

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updated 7 months ago

Circuito RLC by Jez Jez

No se (matrices)

circuitoRLCserie.m

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updated 7 months ago

neighbor2ind by Matt Eicholtz

Get pairs of indices for neighboring elements in an array. (indexing, image processing, matrices)

neighbor2ind(sz,conn)

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updated 7 months ago

MATLAB and Simulink Racing Lounge: CFD Simulation Data Processing by MathWorks Student Competitions Team

This is a collection of all files used in the course of the episode "Processing CFD Simulation Data" (data import, matrices)

computeSwStr(dxux, dxuy, dxuz, ...

CFD_import.m

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updated 8 months ago

ppln by ANUPAM DAS

"Electrically induced and tunable photonic band gap in submicron periodically poled lithium niobate" (simulation, matrices, optics)

new1 (3).m

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updated 9 months ago

fshift by Francois Bouffard

Shifts the elements of an array by a (possibly non-integer) given number of elements. (matrices, circular, shift)

fshift.m

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updated 9 months ago

triangle rasterizer using edge functions (barycenteric interpolation) by Vipin Yadav

basic triangle rasterization using edge function computation (graphics, mathematics, matrices)

clip_triangle_suderland_hodgman.m

BarycentricInterpolatePoint(tri, I, viewport_matrix)

ComputeOutCodes(p , RegionCodes)

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updated 12 months ago

permn(V, N, K) by Jos (10584)

Jos (10584) (view profile)

Permutations with repetition, all or a subset (matrices, combination, permutation)

permn(V, N, K)

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updated 12 months ago

permnsub(V,N, IX) by Jos (10584)

Jos (10584) (view profile)

Subset of all permutations with repetition (combination, subset, selection)

permnsub(V,N, IX)

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updated 1 year ago

Total Least Squares with mixed and/or weighted disturbances by Ivo Houtzager

Ivo Houtzager (view profile)

Total Least Squares with mixed and/or weighted disturbances (linear algebra, matrix, solver)

mtls(A1,A2,B,varargin)

tls(A,B,varargin)

wmtls(A1,A2,B,W,varargin)

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updated 1 year ago

Numerical Techniques for Volterra Equations by Hirak Doshi

Numerical Volterra Equation Solver (mathematics, approximation, matrices)

numsolve(a,b,n,h,f,ker )

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updated 1 year ago

Time Series Indexing and Averaging by Owen Brimijoin

Owen Brimijoin (view profile)

Outputs windowed means of a continuous set of data given a vector of labels and time stamps (time series, array, matrices)

timeseries_indexer(labels,timestamps,win,data)

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updated 1 year ago

dst2 2-D discrete sine transform by Mr. BOUREZG

dst2, idst2 discrete sine transform and its inverse (image processing, simulink, signal processing)

dst2(arg1,mrows,ncols)

idst2(arg1,mrows,ncols)

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updated 1 year ago

SLIDEFUN by Jos (10584)

Jos (10584) (view profile)

apply function to a moving window over a vector (v4.1, feb 2015) (moving, running, feval)

slidefun

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updated 1 year ago

matsplit by Matt Eicholtz

Split matrix elements into separate variables. (matrices, matrix manipulation, data handling)

matsplit(A,dim)

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updated 1 year ago

compare_matrices.m by Marcel Been

Compare two matrices (matlab, compare, matrices)

compare_matrices(x)

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updated almost 2 years ago

General_Optimization_max_min by mohamed arous

this program for general optimization even if maximization or minimization for any linear function (linear algebra, optimization, mathematics)

General_Optimization_max_min.m

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updated 2 years ago

Positive-Definite Matrix by Muhammad Asim Mubeen

This function returns a positive-definite symmetric matrix. (matrix, matrices, nonlinear)

Spd_Mat(A)

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updated 2 years ago

1D Finite Element Method (FEM) Example by Cheuk

Cheuk (view profile)

A 1D finite element method (FEM) example is provided to teach the basics of using FEM to solve PDEs. (finite, element, method)

a_def(node)

act_quad(dof_pos, ref_quad_pos, num_edges)

compute_RHS_global(RHS_local, loc_glob, num_edges)

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updated 2 years ago

Gaussian Elimination with Pivoting Method by Cheuk

Cheuk (view profile)

Function uses Gauss elimination with pivoting to solve a linear system in standard format. (linear, algebra, gaussian)

GAUSS_ELIM(A, b)

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updated 2 years ago

Compressed Row Storage (CRS) Successive Over-Relaxation (SOR) Method by Cheuk

Cheuk (view profile)

Function uses Successive Over-Relaxation (SOR) method to solve a linear system in CRS format (sor, successive, over)

CRS_SOR(CRS, b, x, epsilon, w)

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updated 2 years ago

LOGICALFIND by Jos (10584)

Jos (10584) (view profile)

Find occurrences of consecutive non-zeros in a vector (v1.0, jan 2014) (find, matrices, search)

logicalfind(V, N)

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updated 2 years ago

sumDiag by Marcus Björk

Sum over each diagonal (or anti-diagonal) in a matrix (general, signal processing, matrices)

sumDiag.m

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updated 2 years ago

meanDiag by Marcus Björk

The mean over each diagonal (or anti-diagonal) of a 2D matrix returned in a vector (signal processing, matrices, general)

meanDiag.m

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updated almost 4 years ago

Concatenate arrays with different sizes in Matlab by Andres

Andres (view profile)

This function allows you to concatenate arrays with different sizes padding with NaN where needed. (array, concatenate, function)

padconcatenation(a,b,c)

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updated almost 4 years ago

Fun Snowboard Video by Max

Max (view profile)

Just a fun little "video" of a snowboarder doing tricks. (snowboard, matrix transformation..., matrices)

final.m

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updated 4 years ago

Normalize N-D Vectors in Single Matrix or N Component Matrices by Ioannis Filippidis

Normalizes N-D vectors provided either in one matrix, or as multiple component matrices. (normalize, matrices, vector)

normvec(varargin)

vnorm(A,varargin)

usage_example_normvec.m

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updated 4 years ago

TPROD -- arbitary tensor products between n-d arrays by Jason Farquhar

TPROD -- efficiently allows any type of tensor product between 2 multi-dimensional arrays (matrices, multidimensional mult..., einstein summation)

etprod(Cidx,A,Aidx,B,Bidx)

orderTests(X,Y,sz)

tprod(varargin)

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updated 4 years ago

CATPAD by Jonathan Sullivan

Concatenation of arbitrarily sized data along any dimension. (add, cat, length)

catpad.m

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updated 5 years ago

RANDBLOCK by Jos (10584)

Jos (10584) (view profile)

scramble matrices using blocks (v2.3, mar 2011) (matrices, random, shuffle)

randblock(M,S)

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updated 5 years ago

Matrices program with a script for eigenvalues perturbations by Emanuele Natale

Some simple programs and a script, that could be usefull using "Trajectories of eigenvalues" (matrices, linear algebra, eigenvalues)

elemsum(A)

matrix

minmaxelem(A)

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updated 5 years ago

DEALCELL by Jiro Doke

Jiro Doke (view profile)

Deals cell elements to variables (similar to DEAL) (matrices, deal, assign)

dealcell(varargout)

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updated 5 years ago

REPOP -- efficient replicating n-d array operations by Jason Farquhar

REPOP -- any element-wise operator between different sized n-d matrices without memory copies (matrices, replicating array ope...)

repop(varargin)

repop_testcases(testType)

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updated 5 years ago

cofactors by Gordon Amoako

Gordon Amoako (view profile)

This is a function that computes the cofactors of an n x n matrix (mathematics, matrices)

cofactors(A)

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