petsc-3.13.6 2020-09-29

MatCoarsenSetFromOptions

Sets various coarsen options from the options database.

#include "petscmatcoarsen.h" 
PetscErrorCode MatCoarsenSetFromOptions(MatCoarsen coarser)

Collective on MatCoarsen

coarser -the coarsen context.

 -mat_coarsen_type  <type>

     Use -help for a list of available methods

     (for instance, mis)

advanced