Top "Matrix-inverse" questions

The matrix inverse, A^{-1}, is a mathematical relationship such that given a square n x n matrix A, A*A^{-1} = A^{-1}*A = I, where I is the identity matrix.

More efficient and fast way of inverting matrices in c++ (big and small)

While googleing about matrix inversion algorithms I found that there are several ways (and opinions!) about how to do this …

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Is there a way to efficiently invert an array of matrices with numpy?

Normally I would invert an array of 3x3 matrices in a for loop like in the example below. Unfortunately for …

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Calculate inverse of a non-square matrix in R

I'm pretty new to the R language and trying to find out how you can calculate the inverse of a …

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Is numpy.linalg.inv() giving the correct matrix inverse? EDIT: Why does inv() gives numerical errors?

I have a matrix shaped (4000, 4000) and I would like to take the inverse. (My intuition of the inverting matrices breaks …

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Large Matrix Inversion

I am looking at taking the inverse of a large matrix, common size of 1000 x 1000, but sometimes exceeds 100000 x 100000 (which …

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Fastest method in inverse of matrix

I want to process Images with Inverse function and lot of functions. For code to run fastly can any one …

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Invert 4x4 matrix - Numerical most stable solution needed

I want to invert a 4x4 matrix. My numbers are stored in fixed-point format (1.15.16 to be exact). With floating-point arithmetic …

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R inverting matrix with solve returning Error

I am studying R programming. I am trying to inverting matrix. Below is what I have tried. x <- …

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Left inverse in numpy or scipy?

I am trying to obtain the left inverse of a non-square matrix in python using either numpy or scipy. How …

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Matrix operations in Java

I looked for this everywhere, but I am wrong somewhere. In my Java program, I created few 2D Arrays. Now, …

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