MatInterpolate#
\(y = A*x\) or \(A^T*x\) depending on the shape of the matrix
Synopsis#
#include "petscmat.h"
PetscErrorCode MatInterpolate(Mat A, Vec x, Vec y)
Neighbor-wise Collective
Input Parameters#
A - the matrix
x - the vector to be interpolated
Output Parameter#
y - the resulting vector
Note#
This allows one to use either the restriction or interpolation (its transpose) matrix to do the interpolation
See Also#
Matrices, Mat, MatMultAdd(), MatMultTransposeAdd(), MatRestrict(), PCMG
Level#
intermediate
Location#
Examples#
src/snes/tutorials/ex11.c
src/ts/tutorials/ex30.c
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages