petsc-master 2014-10-21
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MatScale

Scales all elements of a matrix by a given number.

Synopsis

#include "petscmat.h" 
PetscErrorCode  MatScale(Mat mat,PetscScalar a)
Logically Collective on Mat

Input Parameters

mat - the matrix to be scaled
a - the scaling value

Output Parameter

mat -the scaled matrix

See Also

MatDiagonalScale()

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

Examples

src/ksp/ksp/examples/tutorials/ex56.c.html
src/snes/examples/tutorials/ex70.c.html
src/tao/unconstrained/examples/tutorials/eptorsion2.c.html
src/tao/pde_constrained/examples/tutorials/elliptic.c.html
src/tao/pde_constrained/examples/tutorials/parabolic.c.html
src/tao/pde_constrained/examples/tutorials/hyperbolic.c.html