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<?xml version="1.0" encoding="UTF-8"?>
<!--
* Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
* Copyright (C) INRIA -
*
* 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_V2.1-en.txt
*
-->
<refentry xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:svg="http://www.w3.org/2000/svg" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:db="http://docbook.org/ns/docbook" xmlns:scilab="http://www.scilab.org" xml:lang="en" xml:id="emptystr">
<refnamediv>
<refname>emptystr</refname>
<refpurpose>zero length string</refpurpose>
</refnamediv>
<refsynopsisdiv>
<title>Calling Sequence</title>
<synopsis>s = emptystr()
s = emptystr(a)
s = emptystr(m, n)
</synopsis>
</refsynopsisdiv>
<refsection>
<title>Arguments</title>
<variablelist>
<varlistentry>
<term>a</term>
<listitem>
<para>
a matrix of size <literal>mx n</literal>.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>s</term>
<listitem>
<para>a matrix of character strings.</para>
</listitem>
</varlistentry>
<varlistentry>
<term>m, n</term>
<listitem>
<para>integers</para>
</listitem>
</varlistentry>
</variablelist>
</refsection>
<refsection>
<title>Description</title>
<para>
The <function>emptystr</function> function returns a matrix of zero
length character strings.
</para>
<para>
With no input argument <function>emptystr</function> returns a zero
length character string.
</para>
<para>
With a matrix <varname>a</varname> for input argument
<function>emptystr</function> returns a zero length character
strings matrix of the same size.
</para>
<para>
With two integer arguments <function>emptystr</function> returns a
<varname>m</varname> <literal>x</literal> <varname>n</varname> zero
length character strings matrix.
</para>
</refsection>
<refsection>
<title>Examples</title>
<programlisting role="example"><![CDATA[
x=emptystr();
for k=1:10
x = x + ',' + string(k)
emptystr(1,k) + string(k)
end
]]></programlisting>
</refsection>
<refsection role="see also">
<title>See Also</title>
<simplelist type="inline">
<member>
<link linkend="part">part</link>
</member>
<member>
<link linkend="length">length</link>
</member>
<member>
<link linkend="string">string</link>
</member>
</simplelist>
</refsection>
</refentry>
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