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<?xml version="1.0" encoding="UTF-8"?>
<!--
*
* This help file was generated from cconv.sci using help_from_sci().
*
-->
<refentry version="5.0-subset Scilab" xml:id="cconv" 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>cconv</refname>
<refpurpose> circularly convolves vectors a and b. n is the length of the resulting vector. </refpurpose>
</refnamediv>
<refsynopsisdiv>
<title>Calling Sequence</title>
<synopsis>
o = cconv(a,b)
o = cconv(a,b,n)
</synopsis>
</refsynopsisdiv>
<refsection>
<title>Parameters</title>
<variablelist>
<varlistentry><term>a:</term>
<listitem><para> a real or complex vector.</para></listitem></varlistentry>
<varlistentry><term>b:</term>
<listitem><para> a real or complex vector.</para></listitem></varlistentry>
<varlistentry><term>n:</term>
<listitem><para> length of circular convolution</para></listitem></varlistentry>
<varlistentry><term>o:</term>
<listitem><para> convolution sequence</para></listitem></varlistentry>
</variablelist>
</refsection>
<refsection>
<title>Description</title>
<para>
This function buffers the given data into a matrix of signal frames
</para>
</refsection>
<refsection>
<title>Examples</title>
<programlisting role="example"><![CDATA[
a=[1 2 3]
b=[4 5 6]
o=cconv(a,b,3)
//Output : o= 31 31 28
]]></programlisting>
<programlisting role="example"><![CDATA[
a=[1 2+%i 4]
b=[2 3*%i 5]
o=cconv(a,b)
o=clean(o)
//Output: o= 2. 4. + 5.i 10. + 6.i 10. + 17.i 20.
]]></programlisting>
</refsection>
</refentry>
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