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SmartInv

SmartInv
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 .

Rank revealing lu decomposition

calculates rank revealing lu decomposition. rrlu computes a rank revealing LU factorization of a general m-by-n 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.
Poiseuille Flow in a Rectangular Channel

Poiseuille Flow in a Rectangular Channel

Advanced Matrix Library in C#. NET

Download 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

Quantity System Framework

Quantity System Framework
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

2D Matrix Container with [][] indexing

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.

StarMath: Static Array Math Library

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

LDPC码误码率仿真源代码下载 - LDPC codes BER simulation

LDPC codes BER simulation under AWGN channel. MacKay-Neal based LDPC matrix. Message encoding uses sparse LU decomposition. There are 4 choices of decoder: hard-decision/bit-flip decoder, probability-domain SPA decoder, log-domain SPA decoder, and simplified log-domain SPA decoder.

DotNetMatrix: Simple Matrix Library for .NET

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 user-level C# classes for constructing and manipulating real, dense matrices. It is meant to provide

LU decomposition

LU decomposition. Solves linear system by LU decomposition method. MATLAB 7 (R14) companion, decomposition, linear system, lu decomposition, mathematics, solve .

LU decomposition

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,

An Interactive Environment for Advanced Mathematics

An Interactive Environment for Advanced Mathematics
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

MaNet: A matrix library for .NET (Rational Computing 2)

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

LDPC codes BER simulation

google.com/site/bsnugroho/ldpc. MATLAB 7.0.1 (R14SP1) awgn(3), ber simulation, coding theory, information theory, ldpc(3), mackayneal, sparse lu decomposition .

Poiseuille Flow in a Rectangular Channel

Poiseuille Flow in a Rectangular Channel
which was derived using separation of variables. MATLAB 7.0.1 (R14SP1) chemistry, fillins, fini, lu decomposition, physics, poiseuille flow, rectangular channel .

UL factorization

[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

Null space of a sparse matrix

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.

mex function implementation of Optimal FIR Wiener filter

The mex function implements an FIR Wiener filter. The computation involves an LU decomposition . In this mex function, C-subroutines to solve Yule-walker equation for an FIR Wiener filter solution are given as a mex function application example. The mex function shows great flexibility in

FB512fm(LU,y)

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
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