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<TITLE>PCLUSetZeroPivot</TITLE>
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<A NAME="PCLUSetZeroPivot"><H1>PCLUSetZeroPivot</H1></A>
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Sets the <A HREF="../Sys/size.html#size">size</A> at which smaller pivots are declared to be zero
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<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
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int PCLUSetZeroPivot(PC pc,PetscReal zero)
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Collective on <A HREF="../PC/PC.html#PC">PC</A>
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<H3><FONT COLOR="#CC3333">Input Parameters</FONT></H3>
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<TABLE border="0" cellpadding="0" cellspacing="0">
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<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>pc </B></TD><TD>- the preconditioner context
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<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>zero </B></TD><TD>- all pivots smaller than this will be considered zero
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<H3><FONT COLOR="#CC3333">Options Database Key</FONT></H3>
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<DT><B>-pc_lu_zeropivot <zero> </B> -Sets the zero pivot <A HREF="../Sys/size.html#size">size</A>
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<H3><FONT COLOR="#CC3333">Keywords</FONT></H3>
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<A HREF="../PC/PC.html#PC">PC</A>, set, factorization, direct, fill
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<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
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<A HREF="../PC/PCLUSetFill.html#PCLUSetFill">PCLUSetFill</A>(), PCLUSetDamp(), <A HREF="../PC/PCILUSetZeroPivot.html#PCILUSetZeroPivot">PCILUSetZeroPivot</A>()
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<BR><P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>intermediate
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<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/ksp/pc/impls/lu/lu.c.html#PCLUSetZeroPivot">src/ksp/pc/impls/lu/lu.c</A>
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<BR><A HREF="./index.html">Index of all PC routines</A>
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