petsc-3.7.3 2016-07-24
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# MatCoarsenSetType

Sets the type of aggregator to use

### Synopsis

    #include "petscmat.h"
    PetscErrorCode  MatCoarsenSetType(MatCoarsen coarser, MatCoarsenType type)

Collective on MatCoarsen

### Input Parameter

| coarser | - the coarsen context.
| type | - a known coarsening method

### Options Database Command

     -mat_coarsen_type  <type>

         Use -help for a list of available methods

         (for instance, mis)

### Keywords

coarsen, set, method, type

### See Also

MatCoarsenCreate(), MatCoarsenApply(), MatCoarsenType, MatCoarsenGetType()

Level:intermediate
Location: src/mat/coarsen/coarsen.c
Index of all MatOrderings routines
Table of Contents for all manual pages
Index of all manual pages