petsc-3.8.4 2018-03-24

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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/mat/examples/tutorials/ex8.c.html
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