[petsc-users] Symmetric MPIAIJ matrix

Bikash Kanungo bikash at umich.edu
Tue Jul 7 15:22:23 CDT 2015


Is there a way to ignore the lower (or upper) triangular entries in an
MATMPIAIJ matrix when I know my matrix is symmetric? I can see a
MAT_SYMMETRIC option in MatSetOption, but I don't think it ignores any
lower (or upper) triangular entry.

I cannot use MATMPISBAIJ due to MatMatMult incompatibility with MATMPIAIJ.


Bikash S. Kanungo
PhD Student
Computational Materials Physics Group
Mechanical Engineering
University of Michigan
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