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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-en.txt
*
-->
<refentry version="5.0-subset Scilab" xml:id="part" 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: 2006-08-08 16:57:13 +0200 (Tue, 08 Aug 2006)
$</pubdate>
</info>
<refnamediv>
<refname>part</refname>
<refpurpose>extraction of strings</refpurpose>
</refnamediv>
<refsynopsisdiv>
<title>Calling Sequence</title>
<synopsis>[strings_out] = part(strings_in, v)</synopsis>
</refsynopsisdiv>
<refsection>
<title>Parameters</title>
<variablelist>
<varlistentry>
<term>strings_in, strings_out</term>
<listitem>
<para>Matrix of character strings.</para>
</listitem>
</varlistentry>
<varlistentry>
<term>v</term>
<listitem>
<para>Integer row vector.</para>
</listitem>
</varlistentry>
</variablelist>
</refsection>
<refsection>
<title>Description</title>
<para>Let <literal>s[k]</literal> stands for the <literal>k</literal>
character of string <literal>s</literal> ( or the white space character if
<literal>k >length(s)</literal>).</para>
<para><literal>part</literal> returns <literal>strings_out</literal>, a
matrix of character strings, such that <literal>strings_out(i,j)</literal>
is the string <literal>"s[v(1)]...s[v(n)]"</literal> (
<literal>s=strings_in(i,j)</literal> ).</para>
</refsection>
<refsection>
<title>Examples</title>
<programlisting role="example"><![CDATA[
// returns characters position 8 to 11
part("How to use ""part"" ?",8:11)
// returns characters position 2 to 4 for each element
// no characters replaced by ''
c = part(['a','abc','abcd'],2:4)
// returns character position 1 for each element and add characters position 4 to 7 of each element
c = part(['abcdefg','hijklmn','opqrstu'],[1,4:7]);
// returns character 4 for each element, add characters position 1 to 7 and add character position 4 for each element
c = part(['abcdefg','hijklmn','opqrstu'],[4,1:7,4]);
// returns character position 1,add again character position 1 and character position 2
c=part(['a','abc','abcd'],[1,1,2])
// a a a
part(['a','abc','abcd'],[1])
// aa aa aa
part(['a','abc','abcd'],[1,1])
// aa aab aab
part(['a','abc','abcd'],[1,1,2])
]]></programlisting>
</refsection>
<refsection>
<title>See Also</title>
<simplelist type="inline">
<member><link linkend="string">string</link></member>
<member><link linkend="length">length</link></member>
</simplelist>
</refsection>
</refentry>
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