Top "Linear-algebra" questions

Linear Algebra is a core body of mathematics studying vector spaces and linear mappings between these spaces.

Why is Matlab's inv slow and inaccurate?

I read at a few places (in the doc and in this blog post : http://blogs.mathworks.com/loren/2007/05/16/purpose-of-inv/ ) …

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How to implement a left matrix division on C++ using gsl

I am trying to port a MATLAB program to C++. And I want to implement a left matrix division between …

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Solving linear equations in Fortran 95

I'm newbie in programming and at the moment I'm working on a project that I need to use Fortran 95. Is …

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Large matrix inversion methods

Hi I've been doing some research about matrix inversion (linear algebra) and I wanted to use C++ template programming for …

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GSL/BLAS: Multiply a matrix with an inverse matrix

I'm using the GNU GSL to do some matrix calculations. I'm trying to multiply a matrix B with the inverse …

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What is benefit to use SVD for solving Ax=b

I have a linear equation such as Ax=b where A is full rank matrix which its size is 512x512. …

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Multivariate Bisection Method

I need an algorithm to perform a 2D bisection method for solving a 2x2 non-linear problem. Example: two equations f(…

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Using CUDA to solve a system of equations in non-linear least squares fashion

Using CUDA, I would like to solve a system of equations with a non-linear least squares solver. These methods are …

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LU decomposing a square matrix matlab gauss elimination

I'm trying to create a program that takes a square (n-by-n) matrix as input, and if it is invertible, will …

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Is there a matlab built-in that calculates the quadratic form (x'*A*x)?

Pretty straightforward question: Given an N x N symmetric matrix A and an N-vector x, is there a built-in Matlab …

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