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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML3.2 EN">
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<TITLE>MatCreateLRC</TITLE>
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<A NAME="MatCreateLRC"><H1>MatCreateLRC</H1></A>
Creates a new matrix object that behaves like A + U*V' 
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscmat.h" 
PetscErrorCode PETSCMAT_DLLEXPORT MatCreateLRC(Mat A,Mat U, Mat V,Mat *N)
</PRE>
Collective on <A HREF="../Mat/Mat.html#Mat">Mat</A>
<P>
<H3><FONT COLOR="#CC3333">Input Parameter</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>A  </B></TD><TD>- the (sparse) matrix
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>U. V </B></TD><TD>- two dense rectangular (tall and skinny) matrices
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Output Parameter</FONT></H3>
<DT><B>N </B> -the matrix that represents A + U*V'
<br>
<P>

<P>
Notes: The matrix A + U*V' formed! Rather the new matrix
object performs the matrix-vector product by first multiplying by
A and then adding the other term
<P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>intermediate
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/mat/impls/lrc/lrc.c.html#MatCreateLRC">src/mat/impls/lrc/lrc.c</A>
<BR><A HREF="./index.html">Index of all Mat routines</A>
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