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<TITLE>PCPATCH</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/PC/PCPATCH.html "><small>Report Typos and Errors</small></a></div>
<A NAME="PCPATCH"><H1>PCPATCH</H1></A>
A <A HREF="../PC/PC.html#PC">PC</A> object that encapsulates flexible definition of blocks for overlapping and non-overlapping small block additive preconditioners. Block definition is based on topology from a <A HREF="../DM/DM.html#DM">DM</A> and equation numbering from a <A HREF="../IS/PetscSection.html#PetscSection">PetscSection</A>.
<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>-pc_patch_cells_view </B></TD><TD>- Views the process local cell numbers for each patch
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>-pc_patch_points_view </B></TD><TD>- Views the process local mesh point numbers for each patch
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>-pc_patch_g2l_view </B></TD><TD>- Views the map between global dofs and patch local dofs for each patch
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>-pc_patch_patches_view </B></TD><TD>- Views the global dofs associated with each patch and its boundary
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>-pc_patch_sub_mat_view </B></TD><TD>- Views the matrix associated with each patch
</TD></TR></TABLE>
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../PC/PCType.html#PCType">PCType</A>, <A HREF="../PC/PCCreate.html#PCCreate">PCCreate</A>(), <A HREF="../PC/PCSetType.html#PCSetType">PCSetType</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/pc/impls/patch/pcpatch.c.html#PCPATCH">src/ksp/pc/impls/patch/pcpatch.c</A>
<BR><A HREF="./index.html">Index of all PC routines</A>
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