/usr/lib/x86_64-linux-gnu/scilab-getfem++/help/en_US/sparses/sp_cholinc.xml is in scilab-getfem++ 4.2.1~beta1~svn4635~dfsg-3+b1.
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<refentry version="5.0-subset Scilab" xml:id="sp_cholinc" xml:lang="en"
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<info>
<pubdate>$LastChangedDate: 2009-09-16 $</pubdate>
</info>
<refnamediv>
<refname>sp_lu</refname>
<refpurpose>Performs an incomplete Cholesky decomposition on a sparse matrix</refpurpose>
</refnamediv>
<refsynopsisdiv>
<title>Calling Sequence</title>
<synopsis>[R] = sp_chol(M)</synopsis>
</refsynopsisdiv>
<refsection>
<title>Parameters</title>
<variablelist>
<varlistentry>
<term>M</term>
<listitem>
<para>the real sparse matrix on which we will perform the
Cholesky decomposition</para>
</listitem>
</varlistentry>
<varlistentry>
<term>R</term>
<listitem>
<para>the R sparse matrix from the Cholesky decomposition </para>
</listitem>
</varlistentry>
</variablelist>
</refsection>
<refsection>
<title>Description</title>
<para>Performs a Cholesky decomposition on a sparse matrix such
that:</para>
<para>R'*R=M</para>
<para>At the end of the incomplete Cholesky decomposition, the R
matrix will contain a number of non zeros elements which is less
or equal to the number of non zeros elements in the M matrix. </para>
</refsection>
<refsection>
<title>Example</title>
<programlisting role="example"><![CDATA[
]]></programlisting>
</refsection>
<refsection>
<title>See Also</title>
<simplelist type="inline">
<member><link linkend="sp_luinc">sp_luinc</link></member>
<member><link linkend="sp_lu">sp_lu</link></member>
<member><link linkend="sp_chol">sp_chol</link></member>
<member><link linkend="sp_cgs">sp_cgs</link></member>
<member><link linkend="sp_cgne">sp_cgne</link></member>
<member><link linkend="sp_gmres">sp_gmres</link></member>
<member><link linkend="sp_mgcr">sp_mgcr</link></member>
<member><link linkend="sp_chsolve">sp_chsolve</link></member>
<member><link linkend="sp_lusolve">sp_lusolve</link></member>
</simplelist>
</refsection>
<refsection>
<title>Authors</title>
<simplelist type="vert">
<member>Yann COLLETTE</member>
</simplelist>
</refsection>
</refentry>
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