petsc-master 2020-05-26
Report Typos and Errors

MatProductSetFill

Set an expected fill of the matrix product.

Synopsis

#include "petscmat.h" 
PetscErrorCode MatProductSetFill(Mat mat,PetscReal fill)
Collective on Mat

Input Parameters

mat - the matrix product
fill - expected fill as ratio of nnz(mat)/(nnz(A) + nnz(B) + nnz(C)); use PETSC_DEFAULT if you do not have a good estimate. If the product is a dense matrix, this is irrelevent.

See Also

MatProductSetType(), MatProductSetAlgorithm(), MatProductCreate()

Level

intermediate

Location

src/mat/interface/matproduct.c

Examples

src/tao/pde_constrained/tutorials/parabolic.c.html

Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages