[petsc-users] Preconditioners with block matrix

Praveen C cpraveen at gmail.com
Mon Mar 2 07:13:44 CST 2026


Hello

I am using PETSc with deal.II. My matrix is defined as
PETScWrappers::BlockSparseMatrix which uses MATNEST.

Is it possible to use PCILU (in serial) or PCHYPRE with such a matrix ?

thanks
praveen
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