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   <div id="version" align=right><b>petsc-3.10.3 2018-12-18</b></div>
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<A NAME="MATSOLVERPASTIX"><H1>MATSOLVERPASTIX</H1></A>
A solver package providing direct solvers (LU) for distributed and sequential matrices via the external package PaStiX. Use ./configure --download-pastix --download-ptscotch  to have PETSc installed with PasTiX
<P>
Use -pc_type lu -pc_factor_mat_solver_type pastix to use this direct solver
<P>
<H3><FONT COLOR="#CC3333">Options Database Keys</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>-mat_pastix_verbose   &lt;0,1,2&gt;   </B></TD><TD>- print level
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>-mat_pastix_threadnbr &lt;integer&gt; </B></TD><TD>- Set the thread number by MPI task.
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Notes</FONT></H3>
This only works for matrices with symmetric nonzero structure, if you pass it a matrix with
nonsymmetric structure PasTiX and hence PETSc return with an error.
<P>

<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
 <A HREF="../PC/PCFactorSetMatSolverType.html#PCFactorSetMatSolverType">PCFactorSetMatSolverType</A>(), <A HREF="../Mat/MatSolverType.html#MatSolverType">MatSolverType</A>
<BR>
<P>
<P><B></B><H3><FONT COLOR="#CC3333">Level</FONT></H3>beginner<BR>
<H3><FONT COLOR="#CC3333">Location</FONT></H3>
</B><A HREF="../../../src/mat/impls/aij/mpi/pastix/pastix.c.html#MATSOLVERPASTIX">src/mat/impls/aij/mpi/pastix/pastix.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>
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