LU factorization for 3d matrix
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Hello,
I would need to solve P linear systems if possible without using loops. I was thinking about LU factorization which in my case is quite fast. I know how to approach the problem for a 2d matrix. But what should i do for the case of a 3d matrix M(N,N,:)?
thanks in advance!
回答（1 个）
John D'Errico
2015-3-23
0 个投票
Convert it to a sparse block diagonal system. Then use backslash. No problem.
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