matrix-inverse

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det of a matrix returns 0 in matlab

I have been give a very large matrix (I cannot change the values of the matrix) and I need to calculate the inverse of a (covariance) matrix.[详细]

2023-04-11 14:03 分类：问答
Is there a fast way to invert a matrix in Matlab?

I have lots of large (around 5000 x 5000) matrices that I need to invert in Matlab. I actually need the inverse, so I can\'t use mldivide instead, which is a lot faster for solving Ax=b for just one b[详细]

2023-03-16 11:38 分类：问答
Scala Matrix Inversion

Uh, yeah, I\'d really need a quick input from someone without creator\'s eyes. Something\'s wrong in here, according to my scalacheck tests... but I don\'t really know enough about it to know where it[详细]

2023-03-07 23:38 分类：问答
pseudo inverse of sparse matrix in python

I am working with data from neuroimaging and because of the large amount of data, I would like to use sparse matrices for my code (scipy.sparse.lil_matrix or csr_matrix).[详细]

2023-03-02 12:20 分类：问答
Does any equation holds for inverse(A- B)? [closed]

Closed. This question is off-topic. It is not currently acceptin开发者_开发知识库g answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow.[详细]

2023-02-20 14:56 分类：问答
Most efficient matrix inversion in MATLAB

When computing the inverse for some square 开发者_运维问答matrix A in MATLAB, using Ai = inv(A)[详细]

2023-02-11 02:45 分类：问答
Large matrix inversion methods

Hi I\'ve been doing some research about matrix inversion (linear algeb开发者_如何学编程ra) and I wanted to use C++ template programming for the algorithm , what i found out is that there are number of[详细]

2023-01-09 20:33 分类：问答
Is 3x3 Matrix inverse possible using SIMD instructions?

I\'m making use of an ARM Cortex-A8 based processor and I have several places where I calculate 3x3 Matrix inverse operations.[详细]

2023-01-09 01:35 分类：问答
Java inverse matrix calculation

I\'m trying to calculate the inverse ma开发者_StackOverflow社区trix in Java. I\'m following the adjoint method (first calculation of the adjoint matrix, then transpose this matrix and finally, multi[详细]

2022-12-15 19:38 分类：问答
PHP inverse of a matrix

I saw this question,a开发者_StackOverflow社区nd pop up this idea. Is there an efficient way to do this in PHP?[详细]

2022-12-12 13:46 分类：问答