[petsc-users] symmetric matrix

Alexander Grayver agrayver at gfz-potsdam.de
Mon Dec 26 08:14:08 CST 2011


Hello all,

I have two questions:

1. Is that possible to set MatSetOption(A,MAT_SPD,PETSC_TRUE); through 
command line?
2. If I set option above for MPIAIJ matrix do solvers ignore lower 
triangular matrix?

Regards,
Alexander


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