petsc-3.6.1 2015-08-06
MatMultAdd
Computes v3 = v2 + A * v1.
Synopsis
#include "petscmat.h"
PetscErrorCode MatMultAdd(Mat mat,Vec v1,Vec v2,Vec v3)
Neighbor-wise Collective on Mat and Vec
Input Parameters
| mat | - the matrix
|
| v1, v2 | - the vectors
|
Output Parameters
v3 -the result
Notes
The vectors v1 and v3 cannot be the same. I.e., one cannot
call MatMultAdd(A,v1,v2,v1).
See Also
MatMultTranspose(), MatMult(), MatMultTransposeAdd()
Level:beginner
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/ex2.c.html
src/mat/examples/tutorials/ex9.c.html
src/snes/examples/tutorials/ex70.c.html
src/ts/examples/tutorials/ex23.c.html