[petsc-users] From AIJ to CSR

Su Yan suyan0 at gmail.com
Tue Jul 23 20:59:12 CDT 2013

Hi, is there any way that I can extract the index information and element
array from a AIJ matrix? Say, I have a Mat A, which is created using the
CSR format with
How can I get int *ia, int *ja, and double *array out of A?

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