petsc-3.11.4 2019-09-28
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
Implementations
MatInterpolate_USFFT_Private in src/dm/impls/da/usfft/matusfft.c
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages