petsc-dev 2014-07-21
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MatGetVecs

Get vector(s) compatible with the matrix, i.e. with the same parallel layout

Synopsis

#include "petscmat.h" 
PetscErrorCode  MatGetVecs(Mat mat,Vec *right,Vec *left)
Collective on Mat

Input Parameter

mat -the matrix

Output Parameter

right - (optional) vector that the matrix can be multiplied against
left - (optional) vector that the matrix vector product can be stored in

See Also

MatCreate()

Level:advanced
Location:
src/mat/interface/matrix.c
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages

Examples

src/mat/examples/tutorials/ex9.c.html
src/ksp/ksp/examples/tutorials/ex4.c.html
src/ksp/ksp/examples/tutorials/ex10.c.html
src/ksp/ksp/examples/tutorials/ex42.c.html
src/ksp/ksp/examples/tutorials/ex49.c.html
src/ksp/ksp/examples/tutorials/ex15f.F.html
src/ksp/ksp/examples/tutorials/ex54f.F.html
src/ts/examples/tutorials/ex8.c.html
src/ts/examples/tutorials/ex16.c.html
src/ts/examples/tutorials/ex19.c.html
src/ts/examples/tutorials/ex20.c.html