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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="KSPFCDTruncationType"><H1>KSPFCDTruncationType</H1></A>
Define how stored directions are used to orthogonalize in flexible conjugate directions (FCD) methods
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
typedef enum {<A HREF="../KSP/KSPFCDTruncationType.html#KSPFCDTruncationType">KSP_FCD_TRUNC_TYPE_STANDARD</A>,<A HREF="../KSP/KSPFCDTruncationType.html#KSPFCDTruncationType">KSP_FCD_TRUNC_TYPE_NOTAY</A>} <A HREF="../KSP/KSPFCDTruncationType.html#KSPFCDTruncationType">KSPFCDTruncationType</A>;
</PRE>
<A HREF="../KSP/KSPFCDTruncationType.html#KSPFCDTruncationType">KSP_FCD_TRUNC_TYPE_STANDARD</A> uses all (up to mmax) stored directions
<A HREF="../KSP/KSPFCDTruncationType.html#KSPFCDTruncationType">KSP_FCD_TRUNC_TYPE_NOTAY</A> uses the last max(1,mod(i,mmax)) stored directions at iteration i=0,1..
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
: <A HREF="../KSP/KSPFCG.html#KSPFCG">KSPFCG</A>,<A HREF="../KSP/KSPPIPEFCG.html#KSPPIPEFCG">KSPPIPEFCG</A>,<A HREF="../KSP/KSPPIPEGCR.html#KSPPIPEGCR">KSPPIPEGCR</A>,<A HREF="../KSP/KSPFCGSetTruncationType.html#KSPFCGSetTruncationType">KSPFCGSetTruncationType</A>(),<A HREF="../KSP/KSPFCGGetTruncationType.html#KSPFCGGetTruncationType">KSPFCGGetTruncationType</A>()
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<P>
<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/guess/../../../../include/petscksp.h.html#KSPFCDTruncationType">src/ksp/ksp/guess/../../../../include/petscksp.h</A>
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