PETSc version 3.15.5
MatMatInterpolateAdd
Y = W + A*X or W + A'*X
Synopsis
#include "petscmat.h"
PetscErrorCode MatMatInterpolateAdd(Mat A,Mat x,Mat w,Mat *y)
Neighbor-wise Collective on Mat
Input Parameters
| mat | - the matrix
|
| w, x | - the input dense matrices
|
Output Parameters
| y | - the output dense matrix
|
Notes
This allows one to use either the restriction or interpolation (its transpose)
matrix to do the interpolation. y matrix can be reused if already created with the proper sizes,
otherwise it will be recreated. y must be initialized to NULL if not supplied.
See Also
MatInterpolateAdd(), MatMatInterpolate(), MatMatRestrict()
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