<?xml version="1.0" encoding="UTF-8"?>

<!--
 *
 * This help file was generated from wkeep.sci using help_from_sci().
 *
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<refentry version="5.0-subset Scilab" xml:id="wkeep" xml:lang="en"
          xmlns="http://docbook.org/ns/docbook"
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          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>Extracts a vector from the given vector of length l</refpurpose>
  </refnamediv>


<refsynopsisdiv>
   <title>Syntax</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>
[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>
   <para>
</para>
</refsection>

<refsection>
   <title>Examples</title>
   <programlisting role="example"><![CDATA[
[y]=wkeep([1 2 3;4 5 6],[2 2])

[y]=wkeep([1 2 3 4 5 6],3,'r')

   ]]></programlisting>
</refsection>
</refentry>
