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<TITLE>MatNorm</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/MatNorm.html "><small>Report Typos and Errors</small></a></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"
<A HREF="../Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> <A HREF="../Mat/MatNorm.html#MatNorm">MatNorm</A>(<A HREF="../Mat/Mat.html#Mat">Mat</A> mat,<A HREF="../Vec/NormType.html#NormType">NormType</A> type,<A HREF="../Sys/PetscReal.html#PetscReal">PetscReal</A> *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></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#MatNorm">src/mat/interface/matrix.c</A>
<P><H3><FONT COLOR="#CC3333">Examples</FONT></H3>
<A HREF="../../../src/ksp/ksp/examples/tutorials/ex29.c.html">src/ksp/ksp/examples/tutorials/ex29.c.html</A><BR>
<A HREF="../../../src/ksp/ksp/examples/tutorials/ex34.c.html">src/ksp/ksp/examples/tutorials/ex34.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>
<A HREF="../../../src/tao/bound/examples/tutorials/jbearing2.c.html">src/tao/bound/examples/tutorials/jbearing2.c.html</A><BR>
<P><H3><FONT COLOR="CC3333">Implementations</FONT></H3><A HREF="../../../src/mat/impls/aij/mpi/mpiaij.c.html#MatNorm_MPIAIJ">MatNorm_MPIAIJ in src/mat/impls/aij/mpi/mpiaij.c</A><BR>
<A HREF="../../../src/mat/impls/aij/seq/aij.c.html#MatNorm_SeqAIJ">MatNorm_SeqAIJ in src/mat/impls/aij/seq/aij.c</A><BR>
<A HREF="../../../src/mat/impls/baij/mpi/mpibaij.c.html#MatNorm_MPIBAIJ">MatNorm_MPIBAIJ in src/mat/impls/baij/mpi/mpibaij.c</A><BR>
<A HREF="../../../src/mat/impls/baij/seq/baij2.c.html#MatNorm_SeqBAIJ">MatNorm_SeqBAIJ in src/mat/impls/baij/seq/baij2.c</A><BR>
<A HREF="../../../src/mat/impls/dense/mpi/mpidense.c.html#MatNorm_MPIDense">MatNorm_MPIDense in src/mat/impls/dense/mpi/mpidense.c</A><BR>
<A HREF="../../../src/mat/impls/dense/seq/dense.c.html#MatNorm_SeqDense">MatNorm_SeqDense in src/mat/impls/dense/seq/dense.c</A><BR>
<A HREF="../../../src/mat/impls/elemental/matelem.cxx.html#MatNorm_Elemental">MatNorm_Elemental in src/mat/impls/elemental/matelem.cxx</A><BR>
<A HREF="../../../src/mat/impls/sbaij/mpi/mpisbaij.c.html#MatNorm_MPISBAIJ">MatNorm_MPISBAIJ in src/mat/impls/sbaij/mpi/mpisbaij.c</A><BR>
<A HREF="../../../src/mat/impls/sbaij/seq/sbaij2.c.html#MatNorm_SeqSBAIJ">MatNorm_SeqSBAIJ in src/mat/impls/sbaij/seq/sbaij2.c</A><BR>
<BR><A HREF="./index.html">Index of all Mat routines</A>
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