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<A NAME="MatCreateNormal"><H1>MatCreateNormal</H1></A>
Creates a new matrix object that behaves like A'*A.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscmat.h"
PetscErrorCode PETSCMAT_DLLEXPORT MatCreateNormal(Mat A,Mat *N)
</PRE>
Collective on <A HREF="../Mat/Mat.html#Mat">Mat</A>
<P>
<H3><FONT COLOR="#CC3333">Input Parameter</FONT></H3>
<DT><B>A </B> -the (possibly rectangular) matrix
<br>
<P>
<H3><FONT COLOR="#CC3333">Output Parameter</FONT></H3>
<DT><B>N </B> -the matrix that represents A'*A
<br>
<P>
<P>
Notes: The product A'*A is NOT actually formed! Rather the new matrix
object performs the matrix-vector product by first multiplying by
A and then A'
<H3><FONT COLOR="#CC3333">C++ variants</FONT></H3><TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD> Mat MatCreateNormal(Mat mat)<TD WIDTH=20></TD><TD>-></TD><TD WIDTH=20></TD><TD>MatCreateNormal(mat,&A); return A;</TR></TD>
</TABLE>
<P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>intermediate
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/mat/impls/normal/normm.c.html#MatCreateNormal">src/mat/impls/normal/normm.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/ex27.c.html">src/ksp/ksp/examples/tutorials/ex27.c.html</A><BR>
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