petsc-master 2018-02-22
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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