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<?xml version="1.0" encoding="UTF-8"?>
<!--
*
* This help file was generated from chebwin.sci using help_from_sci().
*
-->
<refentry version="5.0-subset Scilab" xml:id="chebwin" 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>chebwin</refname>
<refpurpose>This function returns the filter coefficients of a Dolph-Chebyshev window.</refpurpose>
</refnamediv>
<refsynopsisdiv>
<title>Calling Sequence</title>
<synopsis>
w = chebwin (m)
w = chebwin (m, at)
</synopsis>
</refsynopsisdiv>
<refsection>
<title>Parameters</title>
<variablelist>
<varlistentry><term>m:</term>
<listitem><para> positive integer value</para></listitem></varlistentry>
<varlistentry><term>at:</term>
<listitem><para> real scalar value</para></listitem></varlistentry>
<varlistentry><term>w:</term>
<listitem><para> output variable, vector of real numbers</para></listitem></varlistentry>
</variablelist>
</refsection>
<refsection>
<title>Description</title>
<para>
This is an Octave function.
This function returns the filter coefficients of a Dolph-Chebyshev window of length m supplied as input, to the output vector w.
The second parameter is the stop band attenuation of the Fourier transform in dB. The default value is 100 dB.
</para>
</refsection>
<refsection>
<title>Examples</title>
<programlisting role="example"><![CDATA[
chebwin(7)
ans =
0.0565041
0.3166085
0.7601208
1.
0.7601208
0.3166085
0.0565041
]]></programlisting>
</refsection>
</refentry>
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