Search Files

Advanced Search
Go
 
Loading tag cloud...

Files

 
  • 1 - 100 of
  • 183
  • previouspage inactivenextpage
Date   File Tags Downloads
(last 30 days) 		Comments Ratings
04 Nov 2009 Polynomial Square Root Finds the square root of a polynomial. Author: Andre Fioravanti polynomials, linear algebra, mathematics 52 0
03 Nov 2009 Full Rank Factorization Performs a full rank factorization, X=KL Author: Calvin Price linear algebra, full rank factorizati..., mathematics, full rank decompositi... 43 1
  • 1.0
1.0 | 1 rating
22 Oct 2009 lapack Easily call any LAPACK or BLAS routine from inside Matlab. Author: Tim Toolan lapack, linear algebra, interface, routine, function, blas 120 2
  • 5.0
5.0 | 2 ratings
06 Oct 2009 GCD of Polynomials Find polynomial GCD by "Leading-coefficient Elinimation" Author: Feng Cheng Chang polynomial gcd, euclid algorithm, longhand polynomial d..., linear algebra 125 2
  • 5.0
5.0 | 1 rating
16 Sep 2009 Blendenpik A fast solver of dense rectangular dense linear equations . (least squares or underdetermined). Author: Haim Avron leastsquares equation..., numerical linear alge..., underdetermined equat..., mathematics 13 4
  • 5.0
5.0 | 1 rating
10 Sep 2009 Gaussian Elimination Example (with partial pivoting): GEE, it's simple! A set of simple functions that illustrate Gaussian Elimination with partial pivoting Author: Tim Davis linear algebra, partial pivoting, tutorial, gaussian elimination, mathematics 348 2
  • 5.0
5.0 | 2 ratings
08 Sep 2009 SpTriSolve Sparse triangular solve Author: Haim Avron linear system solve, numerical linear alge..., sparse matrix 23 0
07 Aug 2009 Screenshot LINEAR SYSTEMS SOLVER (for small Systems) Solves many small linear systems in a vectorized way. It avoids to call the \ command inside a loop. Author: Luigi Giaccari image processing, equations, lu, simulation, solution, solver 151 5
  • 5.0
5.0 | 1 rating
27 Jul 2009 Screenshot margin margin of point, vectors (length), matrices 2D (area, perimeter-margin) and 3D (volume, area-margin) Author: M P area, length, margin, dimension, linear algebra, volume 19 13
  • 2.2
2.2 | 20 ratings
26 Jul 2009 Quaternion Toolbox Vectorized quaternion functions Author: Jay St. Pierre quaternion, quaternions, linear algebra, mathematics, aerospace 65 8
  • 3.6
3.6 | 5 ratings
22 Jul 2009 Screenshot plot_feasible.m plot_feasible.m is a simple bit of code for visualizing 2D linear programming problems. Author: Matthew Roughan graphics, crosshatching, hatch, hatching, optimization, linear algebra 37 0
16 Jul 2009 Perron root computation An algorithm that computes the Perron root and Perron vector for an irreducible non-negative matrix. Author: Aravind Seshadri eigen spectrum, nonnegative matrices, linear algebra, matrix computation, eigenvalue 31 0
17 Jun 2009 A*B = k*B*A Solves the homogeneous linear system A*B = k*B*A Author: John D'Errico homogeneous, linear, riccati, system, linear algebra 153 4
  • 3.0
3.0 | 2 ratings
15 Jun 2009 proj Projection of a vector A onto vector B. Author: Antonio Trujillo-Ortiz linear algebra, projection, vector 16 0
04 Jun 2009 Published M-Files Don't let that INV go past your eyes; to solve that system, FACTORIZE! A simple-to-use object-oriented method for solving linear systems and least-squares problems. Author: Tim Davis inverse, mrdivide, pinv, inv, backslash, linear algebra 189 7
  • 5.0
5.0 | 7 ratings
29 May 2009 Screenshot MATLAB in Physics - Matrices The third lecture in a series on using MATLAB® in undergraduate physics courses. Author: Matt McDonnell physics, matrices, lecture, demo, education, linear algebra 36 0
27 May 2009 LINFACTOR: uses LU or CHOL to factorize a matrix, or previously computed factors to solve Ax=b A simple M-file to solve Ax=b using LU or CHOL. Author: Tim Davis lu, inv, linfactor, linsolve, linear algebra, chol 164 2
  • 5.0
5.0 | 1 rating
26 May 2009 Screenshot n-Mode Tensor - Matrix Product Calculates the n-mode product between a tensor and a matrix. Author: Fabian Schneiter matrix, multiplication, nmode, linear algebra, tensor, product 14 0
19 May 2009 lobpcg.m LOBPCG solves Hermitian partial generalized eigenproblems using preconditioning, competes with eigs Author: Andrew Knyazev eigenproblems, preconditioning, linear algebra, symmetric, partial 48 0
19 May 2009 subspacea.m Angles between subspaces. Author: Andrew Knyazev principal, canonical correlation..., linear algebra, angle, subspaces 24 0
  • 5.0
5.0 | 1 rating
19 May 2009 subspace.m Angle between subspaces. Author: Andrew Knyazev subspace, linear algebra, angle, mathematics, subspaces 11 1
  • 3.5
3.5 | 2 ratings
19 May 2009 ortha.m Orthonormalization Relative to matrix A Author: Andrew Knyazev matrix, orthonormalization, linear algebra, mathematics, relative 11 0
  • 5.0
5.0 | 1 rating
29 Apr 2009 Multiple-root polynomial solved by partial fraction expansion To find poles/residues of the rational function, instead of roots/multiplicities of the polynomial Author: Feng Cheng Chang communications, mathematics, control design, roots and multiplicit..., linear algebra, polynomial solution 159 0
27 Apr 2009 Polynomial coefficient vector derived from sub-polynomial factors A polynomial coefficient vector is derived from several powered polynomial factors. Author: Feng Cheng Chang polynomial gcd, polynomial roots, statistics, linear algebra, control design, polynomial mutiplicat... 113 0
12 Apr 2009 Factorization of a polynomial with multiple roots By a novel effective approach "Monic polynomial subtraction" for computing GCD polynomial. Author: Feng Cheng Chang polynomial roots, greatest common divis..., euclid gcd algorithm, linear algebra 132 1
09 Apr 2009 Published M-Files drawLA - Draw Toolbox for Linear Algebra. Plot 2D/3D of vectors, planes, lines, spheres, and... display matrix equations. Author: Vladimir Bondarenko graphics, plotting, linear algebra, visualization 62 1
  • 5.0
5.0 | 1 rating
30 Mar 2009 Polynomial division by convolution - quotient and reminder Division of two polynomials to get quotient and reminder using convolution matrix. Author: Feng Cheng Chang synthetic division, linear algebra, polynomial division, longhand division 137 3
  • 3.0
3.0 | 2 ratings
22 Mar 2009 Triangular and diagonal indexing A collection of functions to index diagonal and triangular parts of the matrix Author: Bruno Luong indexing, linear algebra, triangular, diagonal, upper, matrix 105 0
07 Mar 2009 Screenshot Multiple matrix multiplications, with array expansion enabled Multiplying matrices, vectors, or scalars contained in two N-D arrays, with array expansion enabled. Author: Paolo de Leva vector algebra, arraylab, matrix, matrix algebra, vector expansion, scalar 90 17
  • 4.94737
4.9 | 20 ratings
05 Mar 2009 Sum benchmark Compute set of real values to be summed with an a priori known sum and specified condition number Author: Alain Barraud linear algebra, sum computation, full precision comput... 6 0
28 Feb 2009 Global to Local Coordinate Transformation Matrix T = trans_matrix_beam3d(x0,y0,z0,x1,y1,z1,alpha) Author: Paulo J. Paupitz Goncalves beam, local, transformation, linear algebra, global, coordinate 40 3
  • 3.5
3.5 | 2 ratings
26 Feb 2009 Screenshot Vector algebra for arrays of any size, with array expansion enabled Multiple dot, cross, and outer products, cross divisions, norms, normalizations, projections, etc. Author: Paolo de Leva algebra, linear algebra, magn, vector expansion, cross division, dot2 40 3
  • 5.0
5.0 | 3 ratings
09 Feb 2009 CIRCULANT (v2.0, feb 2009) (yet another, but fast) Circulent Matrix Author: Jos matrix, permutation, matrix manipulation, hankel, matrices, linear algebra 122 3
  • 5.0
5.0 | 3 ratings
06 Feb 2009 Circulant matrix The circulant matrix generated from a vector as the first row (or first column) Author: John D'Errico matrix, hankel, linear algebra, circulant, toeplitz, circul 151 10
  • 5.0
5.0 | 3 ratings
02 Feb 2009 Linearly spaced multidimensional matrix without loop Generates a N-dimensional matrix of linearly equally spaced points between the matrices d1 and d2. Author: Steeve AMBROISE kronecker tensor prod..., multidimensional oper..., linear algebra, multidimensional matr..., linearly spaced 24 4
  • 4.66667
4.7 | 4 ratings
22 Dec 2008 Conjugate Gradient Method Conjugate Gradient Method to solve a system of linear equations Author: Yi Cao optimization, linear equation, linear algebra, mathematics 306 3
  • 5.0
5.0 | 3 ratings
14 Dec 2008 Screenshot CUBE A 3D spacetime with perception in the reference-half. Author: M P 3d, perception, square, circle, simulation, point 48 8
  • 1.75
1.8 | 16 ratings
02 Oct 2008 h_trid Uses the Householder method to tridiagonalize a matrix. Author: Matt Fig matrix, tridiagonalize househ..., linear algebra, symmetric 161 4
  • 5.0
5.0 | 3 ratings
29 Sep 2008 Screenshot Fast Reduced Row Echelon Form A much faster version of MATLAB's RREF Author: Armin Ataei rref, frref, reduced row echelon f..., linear algebra 40 2
  • 5.0
5.0 | 2 ratings
29 Aug 2008 shift SHIFT a row or column RELATIVE to the other elements in a MATRIX. Author: John T. McCarthy matrix, shift, matrix manipulation, column, row, matrices 59 3
  • 5.0
5.0 | 6 ratings
20 Aug 2008 Screenshot spok: checks if a MATLAB sparse matrix is OK Useful for mexFunction authors only Author: Tim Davis linear algebra, mex, sparse 100 1
  • 5.0
5.0 | 2 ratings
04 Aug 2008 EliminateConstraints Eliminates variables from a problem with linear equality constraints to give an unconstrained proble Author: Andrew Jackson eliminate, linear, linear algebra, contraint, mathematics, algebra 18 3
  • 4.0
4.0 | 2 ratings
04 Aug 2008 LCP / MCP solver (Newton-based) Solve the Linear Complementarity Problem. Author: Yuval newtonbased, linear algebra, lcp, mathematics, mcp 29 0
30 Jul 2008 Vandermonde matrix Creating matrix with terms of geometric progression in each row Author: Siqing Wu vandermonde matrix, linear algebra, mathematics, geometric progression 21 1
  • 4.0
4.0 | 1 rating
28 Jul 2008 Create orthonormal vectors Creates a random set of orthonormal vectors Author: Calvin Price orthonormal vectors, linear algebra, orthogonal vectors, independent vectors 24 0
09 Jul 2008 UDFactor Performs the U-D factorization of a symmetric matrix. Author: Dmitry Savransky ud factorization, linear algebra, ud filter, ud, mathematics, linear algera 167 1
  • 5.0
5.0 | 2 ratings
22 May 2008 Std Example according to the example in paper 'A note on standard deviation', which was written by Harley Weston Author: Bo Dai denominator, std example, linear algebra, standard derivation 16 2
  • 1.0
1.0 | 2 ratings
20 May 2008 Screenshot simulink matrix element This block outputs a given element of a matrix defined by the raw and the column indices of the elem Author: Nassim Khaled column, linear algebra, matrix element, simulink, indices, raw 168 1
  • 5.0
5.0 | 1 rating
12 May 2008 QR/RQ/QL/LQ factorizations QR/RQ/QL/LQ factorizations of an array. Author: Ivo Houtzager rq, ql, lq, qr, decomposition, linear algebra 46 6
  • 2.8
2.8 | 6 ratings
12 May 2008 Least squares with minimum-norm solution Least squares with minimum-norm solution Author: Ivo Houtzager minimum, least, squares, norm, linear algebra, rank 22 3
12 May 2008 Rank-Revealing QR factorization Rank-Revealing QR factorization of an array Author: Ivo Houtzager linear algebra, rankrevealing qr fact..., mathematics 31 1
28 Apr 2008 UL factorization [U,L]=ul(A) returns a permuted unit upper triangular matrix U and a lower triangular matrix L such t Author: Robert Piche matrix factorization, linear algebra, permuted unit, triangular matrix 27 1
21 Apr 2008 Factoring a multiple-root polynomial A multiple-root polynomial is factored into lower-degree distict-root polynomials, then solved. Author: Feng Cheng Chang polynomial, math, linear algebra, polynomial multiple r..., great common divisor 165 2
  • 3.0
3.0 | 1 rating
15 Apr 2008 Polynomial division by convolution -- up to finite terms Division of two polynomials by convolution to get up to K terms. Author: Feng Cheng Chang linear algebra, convolution matrix, polynomial division, longhand division 133 0
07 Apr 2008 Screenshot UFget: MATLAB interface to the UF sparse matrix collection Downloads sparse matrices from the web directly into the MATLAB workspace, from a vast range of real Author: Tim Davis matrix, gallery, collection, linear algebra, sparse 105 0
18 Mar 2008 Screenshot regtools Analysis and Solution of Discrete Ill-Posed Problems. Author: Per Christian Hansen discrete, regularization, illposed, linear algebra, mathematics 76 12
  • 4.61538
4.6 | 13 ratings
14 Mar 2008 successive under/over relaxation solves the linear system Au=F using successive over/under relaxation. WhereA is diagonally dominant Author: Daniel Cortes matrix, gauss seidel, diagonally, dominant, linear algebra, successive 92 2
  • 3.0
3.0 | 1 rating
07 Mar 2008 Screenshot POINTS2CIRCLE determine the circle through 3 points (v2.0) Author: Jos circle, fit, linear algebra, radius, points, center 134 4
  • 3.33333
3.3 | 3 ratings
29 Feb 2008 Gram-Schmidt Process Implements the Gram-Schmidt Process Author: Anthony Russo gram, orthogonal, basis, schmidt, orthonormal, linear algebra 223 2
25 Feb 2008 Sort Eigenvectors & Eigenvalues Sort a set of eigenvectors and corresponding eigenvalues Author: Calvin Price eigenvalues, linear algebra, eigenvectors, sort, mathematics 49 2
  • 2.5
2.5 | 2 ratings
19 Feb 2008 Published M-Files Partial Least-Squares and Discriminant Analysis A tutorial and tool using PLS for discriminant analysis. Author: Yi Cao linear algebra, pls, nipals, discriminant analysis, pca 252 8
  • 5.0
5.0 | 6 ratings
19 Feb 2008 Pseudo-Inverse Update Two rank-one pseudo-inverse update functions. Author: Yi Cao pseudoinverse, linear algebra, incremental pseudoinv..., rankone update 115 1
  • 5.0
5.0 | 3 ratings
19 Feb 2008 Update Inverse Matrix update inverse of matrix after appending or reducing one coulmn and one row. Author: Yi Cao inverse matrix, block matrix, incremental inverse, linear algebra, rank one update 116 1
  • 4.75
4.8 | 4 ratings
18 Feb 2008 Published M-Files Faddeev-Leverrier Algorithm An iterative approach to generate characteristic polynomial coefficients Author: Yi Cao inverse, linear algebra, characteristic polyno..., mathematics 143 1
  • 5.0
5.0 | 3 ratings
15 Feb 2008 Screenshot Row Echelon Form Method for row echelon form of matrix Author: Muhammad Rafiullah Arain upper triangular matr..., row echelon form, solution, linear algebra, mathematics 56 2
  • 2.5
2.5 | 2 ratings
13 Feb 2008 detp Linear algebra with pivoting Author: Reinaldo Mauricio do Nascimento determinant, linear equations syst..., matrix inverse, linear algebra, equation 22 0
17 Dec 2007 Totally unimodular Checks if a matrix is totally unimodular Author: Ed Scheinerman determinant, square, totally unimodular, submatrices, linear algebra, checks 26 0
14 Dec 2007 determinant of a 3 by 3 matrix in simulink This code evaluates the determinant of a 3 by 3 matrix in simulink Author: Nassim Khaled matrix, determinant, simulink, linear algebra, 3 by 3 184 0
07 Dec 2007 Screenshot PCAtool Compute everything you need for EOF,EEOF,CEOF,SVD,lagged SVD Author: Guillaume MAZE pcatool, pca, linear algebra, compute, principal component, empirical orthogonal 41 0
  • 4.0
4.0 | 1 rating
26 Nov 2007 Screenshot MESHND creation and nested dissection of regular 2D and 3D meshes Author: Tim Davis nested dissection, linear algebra, 2d and 3d mesh, sparse, stencil 126 0
26 Nov 2007 conjorth Constructs conjugate-orthogonal basis from matrix Author: Joshua Carmichael linear algebra, conjugate, conjugate gradient, aconjugate 138 6
  • 5.0
5.0 | 4 ratings
06 Nov 2007 Linear equation system 'Ax=r' by Gauss elimination method Solve N-equation Author: Sobhan Rostami gauss elimination, linear algebra, matlab, mathematics 94 11
  • 2.88889
2.9 | 11 ratings
02 Nov 2007 Published M-Files Video tutorial: MATLAB Basics: Solving linear equations Two and a half minute video showing how to solve a system of equations in MATLAB. Author: Doug Hull system of equations, linear algebra, intro, basics, tutorial, video 32 2
  • 1.0
1.0 | 1 rating
02 Oct 2007 andop Angle of the scalar product of two vectors. Author: Antonio Trujillo-Ortiz vectors, dop product, scalar product, linear algebra, angle 21 0
19 Sep 2007 LSE A linear least squares solver, subject to linear equality constraints Author: John D'Errico regression, least, squares, linear, linear algebra, constraints 187 4
  • 5.0
5.0 | 3 ratings
05 Sep 2007 Screenshot triangulationVolume Compute volume and area of triangulation using divergence theorem of Gauss Author: Jeroen Verbunt divergence, area, gauss, linear algebra, volume, triangulation 25 3
  • 2.33333
2.3 | 3 ratings
13 Aug 2007 Screenshot Hamiltonian operation on Lattice Hamiltonian operation on square Lattices (matrix) Author: Yuma Lim linear algebra, lattice, hamilton, operator, hamiltonian 17 1
  • 4.0
4.0 | 2 ratings
13 Aug 2007 Screenshot OLS This functions implements the algorithm of Orthogonal Least Squares. It can be used to rank regresso Author: Marco Cococcioni matrix, regressors, functions, linear, linear algebra, ols 176 4
  • 3.5
3.5 | 4 ratings
24 Jul 2007 Screenshot Gerschgorin's disk Thm (a test) plot eigenvalue on complex plane show that all these points located in such circles. Author: Summit Suen disk, plot, plane, linear algebra, complex, gerschgorin eigenvalu... 29 1
  • 3.0
3.0 | 1 rating
18 Jul 2007 Published M-Files eigND - n-dimensional eigenvalues Eigenvalues of a real non-symmetric N-dimensional matrix Author: Neil Sims matrix, eig, linear algebra, nd, ndimensional, eigenvalue 19 0
12 Jul 2007 Data scaling Program to scale the values of a matrix from a user specified minimum to a user specified maximum Author: Ani values, matrix, scaling data, data scaling, linear algebra, scale 35 1
  • 5.0
5.0 | 1 rating
11 Jun 2007 Screenshot Smith Form Of A matrix This M file,calculate the smith form of a matix. Author: Ehsan shariati varnosfaderani matrice, polynomial, invariant, normal, linear algebra, minimal 42 5
  • 4.85714
4.9 | 7 ratings
03 May 2007 (sp) matrix This function checks whether a given matrix is a (sp) matrix or not. Author: Trupti Shah discrete dynamical sy..., asymptotic stability, sp matrix, linear algebra 19 0
18 Apr 2007 active set algorithm solve linear least squares problem with nonnegative variables Author: Uriel Roque algorithm, active set, least squares, linear, linear algebra, nnls 28 3
  • 2.66667
2.7 | 3 ratings
02 Mar 2007 Published M-Files matrixop A Matlab object that acts just like a matrix but represents a linear operator as a function. Author: David Gleich iterative, matrix, class, operators, linear algebra, overloading 100 4
  • 4.33333
4.3 | 3 ratings
16 Feb 2007 Screenshot Gershgorin Discs Plot This function plots the Gershgorin Discs for the matrix A passed as an argument. It will also plot t Author: Mario Berges circles, plot, linear algebra, gershgorin, eigenvalue 39 3
  • 4.25
4.2 | 4 ratings
31 Jan 2007 Determination of the Eigenvalues using the QR-Decomposition computes eigenvalues using QR decomposition Author: Housam Binous qrdecomposition, linear algebra, eigenvalues, iterative, uppertriangular matri... 48 2
  • 1.0
1.0 | 2 ratings
12 Jan 2007 Incremental SVD An implementation of incremental SVD Author: Nathan Faggian incremental, linear algebra, svd, implementation 53 2
  • 5.0
5.0 | 1 rating
09 Jan 2007 CallLapack - Matlab interface of Lapack and Blas functions Matlab mex function wrapping all Lapack and BLAS routines Author: Pawel Kowal lapack, linear algebra, mex, blas, call, wraps 22 0
20 Dec 2006 Gauss elimination with complete pivoting This function calculate Gauss elimination with complete pivoting Author: Nickolas Cheilakos complete elimination, gaussian, gauss, linear algebra, elimination 112 8
  • 3.55556
3.6 | 10 ratings
13 Dec 2006 Sparse Toeplitz matrix construction Produces a sparse Toeplitz matrix given only the first row and column, like built-in Toeplitz. Author: Tobin Driscoll matrix, column, row, linear algebra, function, construction 103 1
  • 5.0
5.0 | 1 rating
11 Dec 2006 Screenshot Defining Cartesian Reference Frames based on Point Positions Versatile algorithm defining Cartesian reference frames based on the positions of at least 3 points Author: Paolo de Leva 3d graphics, local reference frame, mechanics, physics, arraylab, reference frame 28 1
  • 5.0
5.0 | 3 ratings
05 Dec 2006 Screenshot Finding the Eigenvalues of a Matrix Computes extremal eigenvalues of a matrix Author: Housam Binous eigenvalues, iterative technique, linear algebra, computing extremal ei... 96 2
  • 3.0
3.0 | 2 ratings
09 Nov 2006 Dett Computes the determinant of non-square matrices. Author: Paul Godfrey matrix, dett, determinant, qe, decomposition, linear algebra 114 13
  • 2.5
2.5 | 3 ratings
03 Nov 2006 dots Multiple matrix-matrix products, or general operations on cartesian tensors Author: Philippe Maincon array, multiprod, linear algebra, tensor, multiple, product 9 0
25 Oct 2006 Method of elimination of Gauss with pivoting partial Solve Linear Equation in format Ax=b Author: Giovanni Di Cecca, Virginia Bellino gaussian, gauss, linear algebra, method, solve, equation 87 13
  • 2.75
2.8 | 5 ratings
23 Oct 2006 Simple SVD SVD computation using QR decomposition Author: Paul Godfrey svd, singular, qr, linear algebra, values 260 9
  • 3.5
3.5 | 2 ratings
23 Oct 2006 adj.m Finds the adjoint of any rectangular matrix Author: Paul Godfrey matrix, linear algebra, adjoint, mathematics, adjugate 179 6
  • 4.11111
4.1 | 9 ratings
18 Oct 2006 Adjugate (adjoint) of a Square Matrix Calculates the adjugate (adjoint) matrix for a square matrix. Author: Roger Stafford matrix, singular, linear algebra, svd, adjoint, adjugate 91 2
  • 3.5
3.5 | 2 ratings
17 Oct 2006 Symmetric matrix factoring Factors an nxn matrix into a product of n+1 symmetric matrices Author: Paul Godfrey symmetric matrices, linear, linear algebra, symmetric factoring h... 145 0
  • 1 - 100 of
  • 183
  • previouspage inactivenextpage
 

MATLAB Central Terms of Use

NOTICE: Any content you submit to MATLAB Central, including personal information, is not subject to the protections which may be afforded information collected under other sections of The MathWorks, Inc. Web site. You are entirely responsible for all content that you upload, post, e-mail, transmit or otherwise make available via MATLAB Central. The MathWorks does not control the content posted by visitors to MATLAB Central and, does not guarantee the accuracy, integrity, or quality of such content. Under no circumstances will The MathWorks be liable in any way for any content not authored by The MathWorks, or any loss or damage of any kind incurred as a result of the use of any content posted, e-mailed, transmitted or otherwise made available via MATLAB Central. Read the complete Terms prior to use.

Contact us at files@mathworks.com