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<div id="version" align=right><b>petsc-3.4.2 2013-07-02</b></div>
<A NAME="MatNorm"><H1>MatNorm</H1></A>
Calculates various norms of a matrix.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscmat.h"
PetscErrorCode MatNorm(Mat mat,NormType type,PetscReal *nrm)
</PRE>
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
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>type </B></TD><TD>- the type of norm, <A HREF="../Vec/NORM_1.html#NORM_1">NORM_1</A>, <A HREF="../Vec/NORM_FROBENIUS.html#NORM_FROBENIUS">NORM_FROBENIUS</A>, <A HREF="../Vec/NORM_INFINITY.html#NORM_INFINITY">NORM_INFINITY</A>
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Output Parameters</FONT></H3>
<DT><B>nrm </B> -the resulting norm
<br>
<P>
<P>
<P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>intermediate
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/mat/interface/matrix.c.html#MatNorm">src/mat/interface/matrix.c</A>
<BR><A HREF="./index.html">Index of all Mat routines</A>
<BR><A HREF="../../index.html">Table of Contents for all manual pages</A>
<BR><A HREF="../singleindex.html">Index of all manual pages</A>
<P><H3><FONT COLOR="#CC3333">Examples</FONT></H3>
<A HREF="../../../src/ksp/ksp/examples/tutorials/ex40.c.html">src/ksp/ksp/examples/tutorials/ex40.c.html</A><BR>
<A HREF="../../../src/snes/examples/tutorials/ex48.c.html">src/snes/examples/tutorials/ex48.c.html</A><BR>
<A HREF="../../../src/ts/examples/tutorials/ex14.c.html">src/ts/examples/tutorials/ex14.c.html</A><BR>
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