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Large sparse matrix inversion. Returns block diagonal, tridiagonal or pentadiagonal elements. . Returns block mono,... . MATLAB 7.5 (R2007b) diagonal, inverse, inversion, large matrix, pentadiagonal, progressive, sparse, tridiagonal . http://www.mathworks.com/matlabcentral/fileexchange/24513 calculates rank revealing lu decomposition. rrlu computes a rank revealing LU factorization of a general mbyn real full matrix A using partial pivoting with row and column interchanges. The factorization has the form. A(P,Q) = L * U. where P and Q are permutation vectors, L is lower triangular. http://www.mathworks.com/matlabcentral/fileexchange/12016 Poiseuille Flow in a Rectangular ChannelDownload demo  14.17 KB. Download source  80.22 KB. Introduction. Matrix Library .NET v2.0 is a totally free advanced matrix library. This library contains class Matrix which provides many static methods for making various matrix operations on objects derived from the class or on arrays http://www.codeproject.com/KB/recipes/AdvancedMatrixLibrary.aspx Quantity System Framework 1.1.9.964. Project Description. Quantity System is an attempt to make a framework to support scientific calculations through units conversions and quantities predictions. Based on Dimensional approach not Units approach. The first to differentiate between Torque, and http://quantitysystem.codeplex.com Download source files  1.5 Kb. Download demo project  12 Kb. Introduction. I am going to describe how to create container for a 2D Array. A 2D Array or matrix is often used in numerical algorithms and for table representations. You can create a 2D matrix using the class in this article using. http://www.codeproject.com/KB/trace/matrixcontainer.aspx Project Description While there are already countless math libraries for performing common matrix/array functions, StarMath is distinguished by its simplicity and flexbility. There is no need to declare vectors and matrices in a specific library format. It works simliar to Math.function calls in http://starmath.codeplex.com LDPC codes BER simulation under AWGN channel. MacKayNeal based LDPC matrix. Message encoding uses sparse LU decomposition. There are 4 choices of decoder: harddecision/bitflip decoder, probabilitydomain SPA decoder, logdomain SPA decoder, and simplified logdomain SPA decoder. http://www.matlabdownload.cn/Code/LDPCber.html Download Sources, Sample Projects and HTMLHelp Documentation 106.3 KB. Introduction. The classes provided with this article give you a basic linear algebra package for .NET. It provides userlevel C# classes for constructing and manipulating real, dense matrices. It is meant to provide http://www.codeproject.com/KB/recipes/psdotnetmatrix.aspx LU decomposition. Solves linear system by LU decomposition method. MATLAB 7 (R14) companion, decomposition, linear system, lu decomposition, mathematics, solve . http://www.mathworks.com/matlabcentral/fileexchange/14053 This program obtains the LU decomposition of a matrix using Crout’s Method. This program will obtain the LU decomposition for any square matrix. The LU decomposition method consists of finding the L and U matrices that will satisfy the equation A=L*U, A being a square matrix. Once L and U found, http://www.mathworks.com/matlabcentral/fileexchange/26775 Introduction. Systems like Mathematica and Matlab allow users to work interactively with mathematical objects: evaluating expressions, creating and using variables, and operating on them within an interface that immediately executes the commands typed and prints results. The Meta.Numerics http://www.codeproject.com/KB/recipes/InteractiveMath.aspx Download source code  205 KB. Introduction. This article presents a reasonably full featured linear algebra library for .NET. It is a translation of the Java matrix package JAMA. All of the matrix operations were successfully translated, but the IO methods had too much of a Java flavor and so http://www.codeproject.com/KB/recipes/MaNetMatrix.aspx google.com/site/bsnugroho/ldpc. MATLAB 7.0.1 (R14SP1) awgn(3), ber simulation, coding theory, information theory, ldpc(3), mackayneal, sparse lu decomposition . http://www.mathworks.com/matlabcentral/fileexchange/14869 which was derived using separation of variables. MATLAB 7.0.1 (R14SP1) chemistry, fillins, fini, lu decomposition, physics, poiseuille flow, rectangular channel . http://www.mathworks.com/matlabcentral/fileexchange/14385 [U,L]=ul(A) returns a permuted unit upper triangular matrix U and a lower triangular matrix L such t. [U,L]=ul(A) returns a permuted unit upper triangular matrix U and a lower triangular matrix L such that A = U*L. The UL factors can be used for solving linear equations, similarly to the factors http://www.mathworks.com/matlabcentral/fileexchange/19714 calculates null space and range of a rectangular sparse matrix. finds null space and range of a sparse matrix using lu decomposition. This routine is devoted to find null space of possibly large matrix fast. Results may be inaccurate if zero and nonzero singular values are not well separated. http://www.mathworks.com/matlabcentral/fileexchange/11120 The mex function implements an FIR Wiener filter. The computation involves an LU decomposition . In this mex function, Csubroutines to solve Yulewalker equation for an FIR Wiener filter solution are given as a mex function application example. The mex function shows great flexibility in http://www.mathworks.com/matlabcentral/fileexchange/7899 This is a 'function' type file. First, the file should be downloaded in the MATLAB 'work' folder. This scrip determines the column vector 'x', given the LU decomposition of matrix 'A'. It performs the forward substitution, finding 'y=L*z', then, by backward substitution: 'z=U*x', determines the http://www.mathworks.com/matlabcentral/fileexchange/23307 