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<?xml version="1.0" encoding="UTF-8"?>
<!--
*
* This help file was generated from wkeep.sci using help_from_sci().
*
-->
<refentry version="5.0-subset Scilab" xml:id="wkeep" 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:ns3="http://www.w3.org/1999/xhtml"
xmlns:mml="http://www.w3.org/1998/Math/MathML"
xmlns:scilab="http://www.scilab.org"
xmlns:db="http://docbook.org/ns/docbook">
<refnamediv>
<refname>wkeep</refname>
<refpurpose></refpurpose>
</refnamediv>
<refsynopsisdiv>
<title>Calling Sequence</title>
<synopsis>
[y]=wkeep(x,l)
[y]=wkeep(x,l,opt)
</synopsis>
</refsynopsisdiv>
<refsection>
<title>Parameters</title>
<variablelist>
<varlistentry><term>x:</term>
<listitem><para> Real, complex or string type input vector or matrix</para></listitem></varlistentry>
<varlistentry><term>l:</term>
<listitem><para> Length of matrix required</para></listitem></varlistentry>
<varlistentry><term>opt:</term>
<listitem><para> Character input to determine which side to extract from</para></listitem></varlistentry>
</variablelist>
</refsection>
<refsection>
<title>Description</title>
<para>
This function extracts a vector from the given vector of length l.
[y]=wkeep(x,l) extracts a vector of length l from the centre of input vector x.
[y]=wkeep(x,l,opt) extracts vector based on opt which could be 'l','r' or 'c' (left, right or central).
</para>
</refsection>
<refsection>
<title>Examples</title>
<programlisting role="example"><![CDATA[
1. [y]=wkeep([1 2 3;4 5 6],[2 2])
//y= 1 2
2. [y]=wkeep([1 2 3 4 5 6],3,'r')
//y= 4 5 6
]]></programlisting>
</refsection>
</refentry>
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