#include "slepcbv.h" PetscErrorCode BVSetMatMultMethod(BV bv,BVMatMultType method)Logically Collective
bv | - the basis vectors context | |
method | - the method for the BVMatMult() operation |
-bv_matmult <meth> | - choose one of the methods: vecs, mat |
BV_MATMULT_VECS | - perform a matrix-vector multiply per each column | |
BV_MATMULT_MAT | - carry out a Mat-Mat product with a dense matrix | |
BV_MATMULT_MAT_SAVE | - this case is deprecated |
The default is BV_MATMULT_MAT except in the case of BVVECS.