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get the L and U matrix in superlu_dist #140

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cc202408 opened this issue Apr 7, 2023 · 1 comment
Open

get the L and U matrix in superlu_dist #140

cc202408 opened this issue Apr 7, 2023 · 1 comment

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@cc202408
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cc202408 commented Apr 7, 2023

Hello, I am a beginner to the SuperLU_dist, and I want to get the LU decomposition of a complex matrix.
But in the superlu_dist, it seems that the L and U matrix are distributed in different cores within the "LUstruct" , are there some functions for me to get the two matrices directly?
Thanks~

@xiaoyeli
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xiaoyeli commented May 1, 2023

@Chenlu2023
In SRC/zutil_dist.c, there is a routine called zDumpLblocks(), which prints out L factor.
I haven't written the routine to print out U, but it's not hard to do.

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