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<?xml version="1.0" encoding="UTF-8"?>
<!--
*
* This help file was generated from sos2tf.sci using help_from_sci().
*
-->
<refentry version="5.0-subset Scilab" xml:id="sos2tf" 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>sos2tf</refname>
<refpurpose>This function converts series second-order sections to direct H(z) = B(z)/A(z) form.</refpurpose>
</refnamediv>
<refsynopsisdiv>
<title>Calling Sequence</title>
<synopsis>
[B] = sos2tf(sos)
[B] = sos2tf(sos, g)
[B,A] = sos2tf(...)
</synopsis>
</refsynopsisdiv>
<refsection>
<title>Parameters</title>
<variablelist>
<varlistentry><term>sos:</term>
<listitem><para> matrix of real or complex numbers</para></listitem></varlistentry>
<varlistentry><term>g:</term>
<listitem><para> real or complex value, default value is 1</para></listitem></varlistentry>
</variablelist>
</refsection>
<refsection>
<title>Description</title>
<para>
This is an Octave function.
This function converts series second-order sections to direct H(z) = B(z)/A(z) form.
The input is the sos matrix and the second parameter is the overall gain, default value of which is 1.
The output is a vector.
</para>
</refsection>
<refsection>
<title>Examples</title>
<programlisting role="example"><![CDATA[
[a,b]=sos2tf([1,2,3,4,5,6])
a =
1 2 3
b =
4 5 6
]]></programlisting>
</refsection>
</refentry>
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