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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/Mat/MatCholeskyFactorNumeric.html "><small>Report Typos and Errors</small></a></div>
<A NAME="MatCholeskyFactorNumeric"><H1>MatCholeskyFactorNumeric</H1></A>
Performs numeric Cholesky factorization of a symmetric matrix. Call this routine after first calling <A HREF="../Mat/MatCholeskyFactorSymbolic.html#MatCholeskyFactorSymbolic">MatCholeskyFactorSymbolic</A>().
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscmat.h"
<A HREF="../Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> <A HREF="../Mat/MatCholeskyFactorNumeric.html#MatCholeskyFactorNumeric">MatCholeskyFactorNumeric</A>(<A HREF="../Mat/Mat.html#Mat">Mat</A> fact,<A HREF="../Mat/Mat.html#Mat">Mat</A> mat,const <A HREF="../Mat/MatFactorInfo.html#MatFactorInfo">MatFactorInfo</A> *info)
</PRE>
Collective on <A HREF="../Mat/Mat.html#Mat">Mat</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>fact </B></TD><TD>- the factor matrix obtained with <A HREF="../Mat/MatGetFactor.html#MatGetFactor">MatGetFactor</A>()
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>mat </B></TD><TD>- the initial matrix
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>info </B></TD><TD>- options for factorization
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>fact </B></TD><TD>- the symbolic factor of mat
</TD></TR></TABLE>
<P>
<P>
<H3><FONT COLOR="#CC3333">Notes</FONT></H3>
Most users should employ the simplified <A HREF="../KSP/KSP.html#KSP">KSP</A> interface for linear solvers
instead of working directly with matrix algebra routines such as this.
See, e.g., <A HREF="../KSP/KSPCreate.html#KSPCreate">KSPCreate</A>().
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../Mat/MatCholeskyFactorSymbolic.html#MatCholeskyFactorSymbolic">MatCholeskyFactorSymbolic</A>(), <A HREF="../Mat/MatCholeskyFactor.html#MatCholeskyFactor">MatCholeskyFactor</A>(), <A HREF="../Mat/MatLUFactorNumeric.html#MatLUFactorNumeric">MatLUFactorNumeric</A>()
<BR>
<P>
Developer Note: fortran interface is not autogenerated as the f90
interface defintion cannot be generated correctly [due to <A HREF="../Mat/MatFactorInfo.html#MatFactorInfo">MatFactorInfo</A>]
<P>
<P><B></B><H3><FONT COLOR="#CC3333">Level</FONT></H3>developer<BR>
<H3><FONT COLOR="#CC3333">Location</FONT></H3>
</B><A HREF="../../../src/mat/interface/matrix.c.html#MatCholeskyFactorNumeric">src/mat/interface/matrix.c</A>
<P><H3><FONT COLOR="CC3333">Implementations</FONT></H3><A HREF="../../../src/mat/impls/aij/mpi/clique/clique.cxx.html#MatCholeskyFactorNumeric_SparseElemental">MatCholeskyFactorNumeric_SparseElemental in src/mat/impls/aij/mpi/clique/clique.cxx</A><BR>
<A HREF="../../../src/mat/impls/aij/seq/aijfact.c.html#MatCholeskyFactorNumeric_SeqAIJ">MatCholeskyFactorNumeric_SeqAIJ in src/mat/impls/aij/seq/aijfact.c</A><BR>
<A HREF="../../../src/mat/impls/aij/seq/aijfact.c.html#MatCholeskyFactorNumeric_SeqAIJ_inplace">MatCholeskyFactorNumeric_SeqAIJ_inplace in src/mat/impls/aij/seq/aijfact.c</A><BR>
<A HREF="../../../src/mat/impls/aij/seq/bas/basfactor.c.html#MatCholeskyFactorNumeric_SeqAIJ_Bas">MatCholeskyFactorNumeric_SeqAIJ_Bas in src/mat/impls/aij/seq/bas/basfactor.c</A><BR>
<A HREF="../../../src/mat/impls/aij/seq/seqcusparse/aijcusparse.cu.html#MatCholeskyFactorNumeric_SeqAIJCUSPARSE">MatCholeskyFactorNumeric_SeqAIJCUSPARSE in src/mat/impls/aij/seq/seqcusparse/aijcusparse.cu</A><BR>
<A HREF="../../../src/mat/impls/baij/seq/baijfact.c.html#MatCholeskyFactorNumeric_SeqBAIJ_N">MatCholeskyFactorNumeric_SeqBAIJ_N in src/mat/impls/baij/seq/baijfact.c</A><BR>
<A HREF="../../../src/mat/impls/baij/seq/baijfact.c.html#MatCholeskyFactorNumeric_SeqBAIJ_N_NaturalOrdering">MatCholeskyFactorNumeric_SeqBAIJ_N_NaturalOrdering in src/mat/impls/baij/seq/baijfact.c</A><BR>
<A HREF="../../../src/mat/impls/dense/seq/dense.c.html#MatCholeskyFactorNumeric_SeqDense">MatCholeskyFactorNumeric_SeqDense in src/mat/impls/dense/seq/dense.c</A><BR>
<A HREF="../../../src/mat/impls/elemental/matelem.cxx.html#MatCholeskyFactorNumeric_Elemental">MatCholeskyFactorNumeric_Elemental in src/mat/impls/elemental/matelem.cxx</A><BR>
<A HREF="../../../src/mat/impls/sbaij/seq/cholmod/sbaijcholmod.c.html#MatCholeskyFactorNumeric_CHOLMOD">MatCholeskyFactorNumeric_CHOLMOD in src/mat/impls/sbaij/seq/cholmod/sbaijcholmod.c</A><BR>
<A HREF="../../../src/mat/impls/sbaij/seq/sbaijfact.c.html#MatCholeskyFactorNumeric_SeqSBAIJ_N">MatCholeskyFactorNumeric_SeqSBAIJ_N in src/mat/impls/sbaij/seq/sbaijfact.c</A><BR>
<A HREF="../../../src/mat/impls/sbaij/seq/sbaijfact.c.html#MatCholeskyFactorNumeric_SeqSBAIJ_N_NaturalOrdering">MatCholeskyFactorNumeric_SeqSBAIJ_N_NaturalOrdering in src/mat/impls/sbaij/seq/sbaijfact.c</A><BR>
<A HREF="../../../src/mat/impls/sbaij/seq/sbaijfact.c.html#MatCholeskyFactorNumeric_SeqSBAIJ_2">MatCholeskyFactorNumeric_SeqSBAIJ_2 in src/mat/impls/sbaij/seq/sbaijfact.c</A><BR>
<A HREF="../../../src/mat/impls/sbaij/seq/sbaijfact.c.html#MatCholeskyFactorNumeric_SeqSBAIJ_2_NaturalOrdering">MatCholeskyFactorNumeric_SeqSBAIJ_2_NaturalOrdering in src/mat/impls/sbaij/seq/sbaijfact.c</A><BR>
<A HREF="../../../src/mat/impls/sbaij/seq/sbaijfact.c.html#MatCholeskyFactorNumeric_SeqSBAIJ_1_inplace">MatCholeskyFactorNumeric_SeqSBAIJ_1_inplace in src/mat/impls/sbaij/seq/sbaijfact.c</A><BR>
<A HREF="../../../src/mat/impls/sbaij/seq/sbaijfact.c.html#MatCholeskyFactorNumeric_SeqSBAIJ_1_NaturalOrdering">MatCholeskyFactorNumeric_SeqSBAIJ_1_NaturalOrdering in src/mat/impls/sbaij/seq/sbaijfact.c</A><BR>
<A HREF="../../../src/mat/impls/sbaij/seq/sbaijfact.c.html#MatCholeskyFactorNumeric_SeqSBAIJ_1_NaturalOrdering_inplace">MatCholeskyFactorNumeric_SeqSBAIJ_1_NaturalOrdering_inplace in src/mat/impls/sbaij/seq/sbaijfact.c</A><BR>
<A HREF="../../../src/mat/impls/sbaij/seq/sbaijfact10.c.html#MatCholeskyFactorNumeric_SeqSBAIJ_6_NaturalOrdering">MatCholeskyFactorNumeric_SeqSBAIJ_6_NaturalOrdering in src/mat/impls/sbaij/seq/sbaijfact10.c</A><BR>
<A HREF="../../../src/mat/impls/sbaij/seq/sbaijfact11.c.html#MatCholeskyFactorNumeric_SeqSBAIJ_7">MatCholeskyFactorNumeric_SeqSBAIJ_7 in src/mat/impls/sbaij/seq/sbaijfact11.c</A><BR>
<A HREF="../../../src/mat/impls/sbaij/seq/sbaijfact12.c.html#MatCholeskyFactorNumeric_SeqSBAIJ_7_NaturalOrdering">MatCholeskyFactorNumeric_SeqSBAIJ_7_NaturalOrdering in src/mat/impls/sbaij/seq/sbaijfact12.c</A><BR>
<A HREF="../../../src/mat/impls/sbaij/seq/sbaijfact3.c.html#MatCholeskyFactorNumeric_SeqSBAIJ_3">MatCholeskyFactorNumeric_SeqSBAIJ_3 in src/mat/impls/sbaij/seq/sbaijfact3.c</A><BR>
<A HREF="../../../src/mat/impls/sbaij/seq/sbaijfact4.c.html#MatCholeskyFactorNumeric_SeqSBAIJ_3_NaturalOrdering">MatCholeskyFactorNumeric_SeqSBAIJ_3_NaturalOrdering in src/mat/impls/sbaij/seq/sbaijfact4.c</A><BR>
<A HREF="../../../src/mat/impls/sbaij/seq/sbaijfact5.c.html#MatCholeskyFactorNumeric_SeqSBAIJ_4_NaturalOrdering">MatCholeskyFactorNumeric_SeqSBAIJ_4_NaturalOrdering in src/mat/impls/sbaij/seq/sbaijfact5.c</A><BR>
<A HREF="../../../src/mat/impls/sbaij/seq/sbaijfact6.c.html#MatCholeskyFactorNumeric_SeqSBAIJ_4">MatCholeskyFactorNumeric_SeqSBAIJ_4 in src/mat/impls/sbaij/seq/sbaijfact6.c</A><BR>
<A HREF="../../../src/mat/impls/sbaij/seq/sbaijfact7.c.html#MatCholeskyFactorNumeric_SeqSBAIJ_5">MatCholeskyFactorNumeric_SeqSBAIJ_5 in src/mat/impls/sbaij/seq/sbaijfact7.c</A><BR>
<A HREF="../../../src/mat/impls/sbaij/seq/sbaijfact8.c.html#MatCholeskyFactorNumeric_SeqSBAIJ_5_NaturalOrdering">MatCholeskyFactorNumeric_SeqSBAIJ_5_NaturalOrdering in src/mat/impls/sbaij/seq/sbaijfact8.c</A><BR>
<A HREF="../../../src/mat/impls/sbaij/seq/sbaijfact9.c.html#MatCholeskyFactorNumeric_SeqSBAIJ_6">MatCholeskyFactorNumeric_SeqSBAIJ_6 in src/mat/impls/sbaij/seq/sbaijfact9.c</A><BR>
<A HREF="../../../src/mat/impls/scalapack/matscalapack.c.html#MatCholeskyFactorNumeric_ScaLAPACK">MatCholeskyFactorNumeric_ScaLAPACK in src/mat/impls/scalapack/matscalapack.c</A><BR>
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