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<div id="version" align=right><b>petsc-3.14.5 2021-03-03</b></div>
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<A NAME="KSPMatSolve"><H1>KSPMatSolve</H1></A>
Solves a linear system with multiple right-hand sides stored as a <A HREF="../Mat/MATDENSE.html#MATDENSE">MATDENSE</A>. Unlike <A HREF="../KSP/KSPSolve.html#KSPSolve">KSPSolve</A>(), B and X must be different matrices.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscksp.h"
#include "petscmat.h"
<A HREF="../Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> <A HREF="../KSP/KSPMatSolve.html#KSPMatSolve">KSPMatSolve</A>(<A HREF="../KSP/KSP.html#KSP">KSP</A> ksp, <A HREF="../Mat/Mat.html#Mat">Mat</A> B, <A HREF="../Mat/Mat.html#Mat">Mat</A> X)
</PRE>
<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>ksp </B></TD><TD>- iterative context
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>B </B></TD><TD>- block of right-hand sides
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Output Parameter</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>X </B></TD><TD>- block of solutions
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Notes</FONT></H3>
This is a stripped-down version of <A HREF="../KSP/KSPSolve.html#KSPSolve">KSPSolve</A>(), which only handles -ksp_view, -ksp_converged_reason, and -ksp_view_final_residual.
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../KSP/KSPSolve.html#KSPSolve">KSPSolve</A>(), <A HREF="../Mat/MatMatSolve.html#MatMatSolve">MatMatSolve</A>(), <A HREF="../Mat/MATDENSE.html#MATDENSE">MATDENSE</A>, <A HREF="../KSP/KSPHPDDM.html#KSPHPDDM">KSPHPDDM</A>, <A HREF="../PC/PCBJACOBI.html#PCBJACOBI">PCBJACOBI</A>, <A HREF="../PC/PCASM.html#PCASM">PCASM</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/ksp/ksp/interface/itfunc.c.html#KSPMatSolve">src/ksp/ksp/interface/itfunc.c</A>
<P><H3><FONT COLOR="#CC3333">Examples</FONT></H3>
<A HREF="../../../src/ksp/ksp/tutorials/ex76.c.html">src/ksp/ksp/tutorials/ex76.c.html</A><BR>
<A HREF="../../../src/ksp/ksp/tutorials/ex77.c.html">src/ksp/ksp/tutorials/ex77.c.html</A><BR>
<A HREF="../../../src/ksp/ksp/tutorials/ex79.c.html">src/ksp/ksp/tutorials/ex79.c.html</A><BR>
<A HREF="../../../src/ksp/ksp/tutorials/ex76f.F90.html">src/ksp/ksp/tutorials/ex76f.F90.html</A><BR>
<A HREF="../../../src/ksp/ksp/tutorials/ex77f.F90.html">src/ksp/ksp/tutorials/ex77f.F90.html</A><BR>
<P><H3><FONT COLOR="CC3333">Implementations</FONT></H3><A HREF="../../../src/ksp/ksp/impls/hpddm/hpddm.cxx.html#KSPMatSolve_HPDDM">KSPMatSolve_HPDDM in src/ksp/ksp/impls/hpddm/hpddm.cxx</A><BR>
<A HREF="../../../src/ksp/ksp/impls/preonly/preonly.c.html#KSPMatSolve_PREONLY">KSPMatSolve_PREONLY in src/ksp/ksp/impls/preonly/preonly.c</A><BR>
<BR><A HREF="./index.html">Index of all KSP routines</A>
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