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<?xml version="1.0" encoding="UTF-8"?>
<!--
* Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
* Copyright (C) 2011 - DIGITEO - Allan CORNET
*
* This file must be used under the terms of the CeCILL.
* This source file is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at
* http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
*
-->
<refentry version="5.0-subset Scilab" xml:id="issparse" xml:lang="en"
xmlns="http://docbook.org/ns/docbook"
xmlns:xlink="http://www.w3.org/1999/xlink"
xmlns:svg="http://www.w3.org/2000/svg"
xmlns:ns5="http://www.w3.org/1999/xhtml"
xmlns:mml="http://www.w3.org/1998/Math/MathML"
xmlns:db="http://docbook.org/ns/docbook">
<info>
<pubdate>$LastChangedDate$</pubdate>
</info>
<refnamediv>
<refname>issparse</refname>
<refpurpose>determine whether input is sparse</refpurpose>
</refnamediv>
<refsynopsisdiv>
<title>Calling Sequence</title>
<synopsis>res = issparse(S)</synopsis>
</refsynopsisdiv>
<refsection>
<title>Arguments</title>
<variablelist>
<varlistentry>
<term>S</term>
<listitem>
<para>a scilab object</para>
</listitem>
</varlistentry>
<varlistentry>
<term>res</term>
<listitem>
<para>1 is the matrix is a sparse and 0 otherwise/</para>
</listitem>
</varlistentry>
</variablelist>
</refsection>
<refsection>
<title>Description</title>
<para><literal>res = issparse(S)</literal> returns 1 if S is a sparse
matrix and 0 otherwise.</para>
</refsection>
<refsection>
<title>Examples</title>
<programlisting role="example">sp = sparse([1,2;4,5;3,10],[1,2,3]);
if issparse(sp) == 1 then
disp("It is a sparse");
end
A = 1;
if issparse(A) == 0 then
disp("It is not a sparse");
end</programlisting>
</refsection>
<refsection role="see also">
<title>See Also</title>
<simplelist type="inline">
<member><link linkend="type">type</link></member>
<member><link linkend="typeof">typeof</link></member>
</simplelist>
</refsection>
</refentry>
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