petsc-3.7.3 2016-08-01
MatInterpolate
y = A*x or A'*x depending on the shape of the matrix
Synopsis
#include "petscmat.h"
PetscErrorCode MatInterpolate(Mat A,Vec x,Vec y)
Neighbor-wise Collective on Mat
Input Parameters
| mat | - the matrix
|
| x,y | - the vectors
|
Notes
This allows one to use either the restriction or interpolation (its transpose)
matrix to do the interpolation
See Also
MatMultAdd(), MatMultTransposeAdd(), MatRestrict()
Level:intermediate
Location:src/mat/interface/matrix.c
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages