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<TITLE>PCApplyTranspose</TITLE>
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<div id="version" align=right><b>petsc-3.14.5 2021-03-03</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-3.14.5 v3.14.5 docs/manualpages/PC/PCApplyTranspose.html "><small>Report Typos and Errors</small></a></div>
<A NAME="PCApplyTranspose"><H1>PCApplyTranspose</H1></A>
Applies the transpose of preconditioner to a vector.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscksp.h"
<A HREF="../Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> <A HREF="../PC/PCApplyTranspose.html#PCApplyTranspose">PCApplyTranspose</A>(<A HREF="../PC/PC.html#PC">PC</A> pc,<A HREF="../Vec/Vec.html#Vec">Vec</A> x,<A HREF="../Vec/Vec.html#Vec">Vec</A> y)
</PRE>
Collective on <A HREF="../PC/PC.html#PC">PC</A>
<P>
<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>pc </B></TD><TD>- the preconditioner context
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>x </B></TD><TD>- input vector
</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>y </B></TD><TD>- output vector
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Notes</FONT></H3>
For complex numbers this applies the non-Hermitian transpose.
<P>
<H3><FONT COLOR="#CC3333">Developer Notes</FONT></H3>
We need to implement a PCApplyHermitianTranspose()
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../PC/PCApply.html#PCApply">PCApply</A>(), <A HREF="../PC/PCApplyBAorAB.html#PCApplyBAorAB">PCApplyBAorAB</A>(), <A HREF="../PC/PCApplyBAorABTranspose.html#PCApplyBAorABTranspose">PCApplyBAorABTranspose</A>(), <A HREF="../PC/PCApplyTransposeExists.html#PCApplyTransposeExists">PCApplyTransposeExists</A>()
<BR><P><B></B><H3><FONT COLOR="#CC3333">Level</FONT></H3>developer<BR>
<H3><FONT COLOR="#CC3333">Location</FONT></H3>
</B><A HREF="../../../src/ksp/pc/interface/precon.c.html#PCApplyTranspose">src/ksp/pc/interface/precon.c</A>
<P><H3><FONT COLOR="CC3333">Implementations</FONT></H3><A HREF="../../../src/ksp/pc/impls/asm/asm.c.html#PCApplyTranspose_ASM">PCApplyTranspose_ASM in src/ksp/pc/impls/asm/asm.c</A><BR>
<A HREF="../../../src/ksp/pc/impls/bddc/bddc.c.html#PCApplyTranspose_BDDC">PCApplyTranspose_BDDC in src/ksp/pc/impls/bddc/bddc.c</A><BR>
<A HREF="../../../src/ksp/pc/impls/bddc/bddc.c.html#PCApplyTranspose_BDDCIPC">PCApplyTranspose_BDDCIPC in src/ksp/pc/impls/bddc/bddc.c</A><BR>
<A HREF="../../../src/ksp/pc/impls/bjacobi/bjacobi.c.html#PCApplyTranspose_BJacobi_Singleblock">PCApplyTranspose_BJacobi_Singleblock in src/ksp/pc/impls/bjacobi/bjacobi.c</A><BR>
<A HREF="../../../src/ksp/pc/impls/bjacobi/bjacobi.c.html#PCApplyTranspose_BJacobi_Multiblock">PCApplyTranspose_BJacobi_Multiblock in src/ksp/pc/impls/bjacobi/bjacobi.c</A><BR>
<A HREF="../../../src/ksp/pc/impls/composite/composite.c.html#PCApplyTranspose_Composite_Multiplicative">PCApplyTranspose_Composite_Multiplicative in src/ksp/pc/impls/composite/composite.c</A><BR>
<A HREF="../../../src/ksp/pc/impls/composite/composite.c.html#PCApplyTranspose_Composite_Additive">PCApplyTranspose_Composite_Additive in src/ksp/pc/impls/composite/composite.c</A><BR>
<A HREF="../../../src/ksp/pc/impls/factor/cholesky/cholesky.c.html#PCApplyTranspose_Cholesky">PCApplyTranspose_Cholesky in src/ksp/pc/impls/factor/cholesky/cholesky.c</A><BR>
<A HREF="../../../src/ksp/pc/impls/factor/ilu/ilu.c.html#PCApplyTranspose_ILU">PCApplyTranspose_ILU in src/ksp/pc/impls/factor/ilu/ilu.c</A><BR>
<A HREF="../../../src/ksp/pc/impls/factor/lu/lu.c.html#PCApplyTranspose_LU">PCApplyTranspose_LU in src/ksp/pc/impls/factor/lu/lu.c</A><BR>
<A HREF="../../../src/ksp/pc/impls/fieldsplit/fieldsplit.c.html#PCApplyTranspose_FieldSplit">PCApplyTranspose_FieldSplit in src/ksp/pc/impls/fieldsplit/fieldsplit.c</A><BR>
<A HREF="../../../src/ksp/pc/impls/gasm/gasm.c.html#PCApplyTranspose_GASM">PCApplyTranspose_GASM in src/ksp/pc/impls/gasm/gasm.c</A><BR>
<A HREF="../../../src/ksp/pc/impls/hara/pchara.cu.html#PCApplyTranspose_HARA">PCApplyTranspose_HARA in src/ksp/pc/impls/hara/pchara.cu</A><BR>
<A HREF="../../../src/ksp/pc/impls/hypre/hypre.c.html#PCApplyTranspose_HYPRE_BoomerAMG">PCApplyTranspose_HYPRE_BoomerAMG in src/ksp/pc/impls/hypre/hypre.c</A><BR>
<A HREF="../../../src/ksp/pc/impls/ksp/pcksp.c.html#PCApplyTranspose_KSP">PCApplyTranspose_KSP in src/ksp/pc/impls/ksp/pcksp.c</A><BR>
<A HREF="../../../src/ksp/pc/impls/mat/pcmat.c.html#PCApplyTranspose_Mat">PCApplyTranspose_Mat in src/ksp/pc/impls/mat/pcmat.c</A><BR>
<A HREF="../../../src/ksp/pc/impls/pbjacobi/pbjacobi.c.html#PCApplyTranspose_PBJacobi_N">PCApplyTranspose_PBJacobi_N in src/ksp/pc/impls/pbjacobi/pbjacobi.c</A><BR>
<A HREF="../../../src/ksp/pc/impls/redundant/redundant.c.html#PCApplyTranspose_Redundant">PCApplyTranspose_Redundant in src/ksp/pc/impls/redundant/redundant.c</A><BR>
<A HREF="../../../src/ksp/pc/impls/shell/shellpc.c.html#PCApplyTranspose_Shell">PCApplyTranspose_Shell in src/ksp/pc/impls/shell/shellpc.c</A><BR>
<A HREF="../../../src/ksp/pc/impls/sor/sor.c.html#PCApplyTranspose_SOR">PCApplyTranspose_SOR in src/ksp/pc/impls/sor/sor.c</A><BR>
<A HREF="../../../src/ksp/pc/impls/svd/svd.c.html#PCApplyTranspose_SVD">PCApplyTranspose_SVD in src/ksp/pc/impls/svd/svd.c</A><BR>
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