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<TITLE>MatScale</TITLE>
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<div id="version" align=right><b>petsc-3.10.3 2018-12-18</b></div>
<div id="bugreport" align=right><a href="mailto:petsc-maint@mcs.anl.gov?subject=Typo or Error in Documentation &body=Please describe the typo or error in the documentation: petsc-3.10.3 v3.10.3 docs/manualpages/Mat/MatScale.html "><small>Report Typos and Errors</small></a></div>
<A NAME="MatScale"><H1>MatScale</H1></A>
Scales all elements of a matrix by a given number.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscmat.h"
<A HREF="../Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> <A HREF="../Mat/MatScale.html#MatScale">MatScale</A>(<A HREF="../Mat/Mat.html#Mat">Mat</A> mat,<A HREF="../Sys/PetscScalar.html#PetscScalar">PetscScalar</A> a)
</PRE>
Logically Collective on <A HREF="../Mat/Mat.html#Mat">Mat</A>
<P>
<H3><FONT COLOR="#CC3333">Input Parameters</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>mat </B></TD><TD>- the matrix to be scaled
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>a </B></TD><TD>- the scaling value
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Output Parameter</FONT></H3>
<DT><B>mat </B> -the scaled matrix
<br>
<P>
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../Mat/MatDiagonalScale.html#MatDiagonalScale">MatDiagonalScale</A>()
<BR><P><B></B><H3><FONT COLOR="#CC3333">Level</FONT></H3>intermediate<BR>
<H3><FONT COLOR="#CC3333">Location</FONT></H3>
</B><A HREF="../../../src/mat/interface/matrix.c.html#MatScale">src/mat/interface/matrix.c</A>
<P><H3><FONT COLOR="#CC3333">Examples</FONT></H3>
<A HREF="../../../src/mat/examples/tutorials/ex8.c.html">src/mat/examples/tutorials/ex8.c.html</A><BR>
<A HREF="../../../src/ksp/ksp/examples/tutorials/ex56.c.html">src/ksp/ksp/examples/tutorials/ex56.c.html</A><BR>
<A HREF="../../../src/snes/examples/tutorials/ex70.c.html">src/snes/examples/tutorials/ex70.c.html</A><BR>
<A HREF="../../../src/ts/examples/tutorials/ex3.c.html">src/ts/examples/tutorials/ex3.c.html</A><BR>
<A HREF="../../../src/ts/examples/tutorials/ex50.c.html">src/ts/examples/tutorials/ex50.c.html</A><BR>
<A HREF="../../../src/tao/unconstrained/examples/tutorials/eptorsion2.c.html">src/tao/unconstrained/examples/tutorials/eptorsion2.c.html</A><BR>
<A HREF="../../../src/tao/pde_constrained/examples/tutorials/elliptic.c.html">src/tao/pde_constrained/examples/tutorials/elliptic.c.html</A><BR>
<A HREF="../../../src/tao/pde_constrained/examples/tutorials/parabolic.c.html">src/tao/pde_constrained/examples/tutorials/parabolic.c.html</A><BR>
<A HREF="../../../src/tao/pde_constrained/examples/tutorials/hyperbolic.c.html">src/tao/pde_constrained/examples/tutorials/hyperbolic.c.html</A><BR>
<P><H3><FONT COLOR="CC3333">Implementations</FONT></H3><A HREF="../../../src/mat/impls/aij/mpi/mpiaij.c.html#MatScale_MPIAIJ">MatScale_MPIAIJ in src/mat/impls/aij/mpi/mpiaij.c</A><BR>
<A HREF="../../../src/mat/impls/aij/seq/aij.c.html#MatScale_SeqAIJ">MatScale_SeqAIJ in src/mat/impls/aij/seq/aij.c</A><BR>
<A HREF="../../../src/mat/impls/baij/mpi/mpibaij.c.html#MatScale_MPIBAIJ">MatScale_MPIBAIJ in src/mat/impls/baij/mpi/mpibaij.c</A><BR>
<A HREF="../../../src/mat/impls/baij/seq/baij2.c.html#MatScale_SeqBAIJ">MatScale_SeqBAIJ in src/mat/impls/baij/seq/baij2.c</A><BR>
<A HREF="../../../src/mat/impls/baij/seq/baijmkl/baijmkl.c.html#MatScale_SeqBAIJMKL">MatScale_SeqBAIJMKL in src/mat/impls/baij/seq/baijmkl/baijmkl.c</A><BR>
<A HREF="../../../src/mat/impls/composite/mcomposite.c.html#MatScale_Composite">MatScale_Composite in src/mat/impls/composite/mcomposite.c</A><BR>
<A HREF="../../../src/mat/impls/dense/mpi/mmdense.c.html#MatScale_MPIDense">MatScale_MPIDense in src/mat/impls/dense/mpi/mmdense.c</A><BR>
<A HREF="../../../src/mat/impls/dense/seq/dense.c.html#MatScale_SeqDense">MatScale_SeqDense in src/mat/impls/dense/seq/dense.c</A><BR>
<A HREF="../../../src/mat/impls/elemental/matelem.cxx.html#MatScale_Elemental">MatScale_Elemental in src/mat/impls/elemental/matelem.cxx</A><BR>
<A HREF="../../../src/mat/impls/hypre/mhypre.c.html#MatScale_HYPRE">MatScale_HYPRE in src/mat/impls/hypre/mhypre.c</A><BR>
<A HREF="../../../src/mat/impls/is/matis.c.html#MatScale_IS">MatScale_IS in src/mat/impls/is/matis.c</A><BR>
<A HREF="../../../src/mat/impls/mffd/mffd.c.html#MatScale_MFFD">MatScale_MFFD in src/mat/impls/mffd/mffd.c</A><BR>
<A HREF="../../../src/mat/impls/nest/matnest.c.html#MatScale_Nest">MatScale_Nest in src/mat/impls/nest/matnest.c</A><BR>
<A HREF="../../../src/mat/impls/normal/normm.c.html#MatScale_Normal">MatScale_Normal in src/mat/impls/normal/normm.c</A><BR>
<A HREF="../../../src/mat/impls/sbaij/mpi/mpisbaij.c.html#MatScale_MPISBAIJ">MatScale_MPISBAIJ in src/mat/impls/sbaij/mpi/mpisbaij.c</A><BR>
<A HREF="../../../src/mat/impls/sbaij/seq/sbaij2.c.html#MatScale_SeqSBAIJ">MatScale_SeqSBAIJ in src/mat/impls/sbaij/seq/sbaij2.c</A><BR>
<A HREF="../../../src/mat/impls/sell/mpi/mpisell.c.html#MatScale_MPISELL">MatScale_MPISELL in src/mat/impls/sell/mpi/mpisell.c</A><BR>
<A HREF="../../../src/mat/impls/sell/seq/sell.c.html#MatScale_SeqSELL">MatScale_SeqSELL in src/mat/impls/sell/seq/sell.c</A><BR>
<A HREF="../../../src/mat/impls/shell/shell.c.html#MatScale_Shell">MatScale_Shell in src/mat/impls/shell/shell.c</A><BR>
<A HREF="../../../src/mat/impls/submat/submat.c.html#MatScale_SubMatrix">MatScale_SubMatrix in src/mat/impls/submat/submat.c</A><BR>
<BR><A HREF="./index.html">Index of all Mat routines</A>
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