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Date   File Tags Downloads
(last 30 days)
Comments Ratings
08 Sep 2009 SpTriSolve Sparse triangular solve Author: Haim Avron linear system solve, numerical linear alge..., sparse matrix 23 0
27 Aug 2009 mexSparseLogical0Diag Change all the elements on the main diagonal of a logical sparse matrix to 0. Author: Guy logical, mex, sparse 8 2
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 152 5
  • 5.0
5.0 | 1 rating
26 Jun 2009 Screenshot SmartInv Large sparse matrix inversion. Returns block diagonal, tridiagonal or pentadiagonal elements. Author: Rouzaud Denis progressive, inverse, tridiagonal, diagonal, inversion, pentadiagonal 26 4
  • 2.0
2.0 | 1 rating
10 Jun 2009 Screenshot Sparse Field Methods for Active Contours Very fast implementation of level sets. 2D and 3D support, written in C++/MEX with MATLAB wrapper. Author: Shawn Lankton level sets, lists, demo, active contours, sparse, chan vese 75 4
  • 4.5
4.5 | 2 ratings
17 Apr 2009 Sparse sub access This package allows to retreive and assign values of sparse matrix in one shot. Author: Bruno Luong large size, matrix, spfun, sparse, sub indexing, update 180 2
  • 5.0
5.0 | 1 rating
06 Feb 2009 Principal Component Analysis Efficient, accurate principal component analysis Author: Mark Tygert sparse, mathematics, statistics, pca, principal components ..., probability 212 5
  • 4.8
4.8 | 6 ratings
29 Jan 2009 Orthogonal Least Squares Algorithms for Sparse Signal Reconstruction Greedy Algorithms for Underdetermined but Sparse Solutions Author: Angshul Majumdar matrix, interpolation, simulation, compressive sampling, optimization, least squares 66 0
25 Jan 2009 Orthogonal Least Squares Algorithms for Sparse Signal Reconstruction Greedy Algorithms for Underdetermined but Sparse Solutions Author: Angshul Majumdar matrix, simulation, compressive sampling, optimization, under determined syst..., earth science 30 0
  • 5.0
5.0 | 1 rating
19 Jan 2009 subsref2: often faster than subsref for C=A(i,j) when A is sparse subsref2 is a replacement for subsref, performing the computation C=A(i,j). Author: Tim Davis subsref, sparse 135 0
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
12 May 2008 Screenshot Fortran mxCreateLogicalSparseMatrix The Fortran version of the mxCreateSparseLogicalMatrix function for mex and engine apps Author: James Tursa fortran, external interface, logical, engine, mex, sparse 101 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
13 Mar 2008 Screenshot spyx.m Same as SPY function but with user defined axes. Author: Carlos Adrian Vargas Aguilera data, graphical, interaction, exploration, function, sparse 95 2
05 Mar 2008 Sparse grid quadrature Computes the nodes and weights for a sparse grid on a hyperrectangle Author: Greg von Winckel integration, clenshaw, nodes, weights, curtis, quadrature 17 2
  • 3.5
3.5 | 2 ratings
25 Feb 2008 fulltosparse (Fortran version) This is a Fortran version of The Mathworks supplied fulltosparse.c, with realloc capability. Author: James Tursa fortran, external interface, fulltosparse, sparse 147 0
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
04 May 2007 LDPC codes BER simulation LDPC codes BER simulation under AWGN channel, MacKay-Neal based LDPC matrix Author: Bagawan Nugroho ldpc, awgn, ber simulation, information theory, mackayneal, sparse lu decompositi... 97 8
  • 3.42857
3.4 | 7 ratings
16 Apr 2007 Spardat2SSD Convert a data file from spardat to SSD format. Author: Skynet svmlight, auton lab, conversion, data import, data export, spardat 95 0
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
09 Feb 2007 Screenshot Sparse Matrix Gather Operation An implementation of something similar to BLAS gather (where sparse() is similar to scatter) Author: Sébastien Loisel sparse matrix gather ..., matrices 21 0
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
21 Sep 2006 Screenshot Slides for the video "Direct Methods for Sparse Linear Systems : the MATLAB sparse backslash" Slides for a plenary talk at the 2006 SIAM Annual Meeting Author: Tim Davis whitepaper, articles, backslash, article, linear algebra, whitepapers 157 1
23 May 2006 Null space of a sparse matrix calculates null space and range of a rectangular sparse matrix Author: Pawel Kowal null space, lu, linear algebra, mathematics, sparse matrix 34 4
  • 4.0
4.0 | 2 ratings
11 Apr 2006 readCluto Read and write CLUTO matrices in Matlab. Author: David Gleich cluto sparse matrix i..., data import, data export 119 0
03 Apr 2006 Fast sparse matrix vector product sparse matrix vector product Author: Darren Engwirda matrix, linear algebra, sparse, product, vector 22 6
  • 4.0
4.0 | 4 ratings
03 Apr 2006 Fast Sparse LU substitution A dedicated mex-file for use with UMFPACK to complete the forward and back substitution quickly Author: Darren Engwirda linear algebra, sparse lu substitutio..., umfpack, mathematics 21 2
  • 3.5
3.5 | 2 ratings
23 Sep 2005 Sparse Matrix Multiplication Allows you to specify the maximum number of nonzeros before multiplying sparse matrices. Author: Christian Walder multiplication, linear algebra, multiply, sparse, mathematics, nnz 31 3
  • 3.33333
3.3 | 3 ratings
08 Sep 2004 Properties of Hermitian, Unitary, Positive Definite and Sparse Matrices Patterns of different types of matrices. Author: Sundar Krishnan unitary, linear algebra, sparse matrices, mathematics, hermitian 112 2
  • 3.0
3.0 | 3 ratings
26 Mar 2004 Fast Pentadiagonal System Solver Solves symmetric and asymmetric pentadiagonal systems. Author: Greg von Winckel matrix, solver, linear algebra, sparse, pentadiagonal, 5band 179 4
  • 4.25
4.2 | 4 ratings
17 Sep 2003 Screenshot spy2.m With this you can easier se the element locations of matrices. Author: Rasmus Anthin matrix, graphics, plotting, specialized, sparse, spy 113 3
  • 1.5
1.5 | 2 ratings
04 Dec 2002 Screenshot Templates for the Solution of Linear Systems Companion Software Author: Jack Dongarra textbook, linear, templates, controls, computational, sparse systems 8 0
04 Oct 2001 Sparseconv A fast convolution for one or more sparse vectors Author: G. Cuypers linear algebra, fast, sparse, mathematics, convulution 18 3
  • 4.0
4.0 | 3 ratings
 

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