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<?xml version="1.0" encoding="UTF-8"?>
<!--
*
* This help file was generated from filtic.sci using help_from_sci().
*
-->
<refentry version="5.0-subset Scilab" xml:id="filtic" 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>filtic</refname>
<refpurpose>This function finds the initial conditions for the delays in the transposed direct-form II filter implementation</refpurpose>
</refnamediv>
<refsynopsisdiv>
<title>Calling Sequence</title>
<synopsis>
zf = filtic (b, a, y)
zf = filtic (b, a, y, x)
</synopsis>
</refsynopsisdiv>
<refsection>
<title>Parameters</title>
<variablelist>
<varlistentry><term>b:</term>
<listitem><para> vector of real or complex numbers</para></listitem></varlistentry>
<varlistentry><term>a:</term>
<listitem><para> vector of real or complex numbers</para></listitem></varlistentry>
<varlistentry><term>y:</term>
<listitem><para> vector of real or complex numbers</para></listitem></varlistentry>
<varlistentry><term>x:</term>
<listitem><para> vector of real or complex numbers</para></listitem></varlistentry>
</variablelist>
</refsection>
<refsection>
<title>Description</title>
<para>
This function finds the initial conditions for the delays in the transposed direct-form II filter implementation.
The vectors b and a represent the numerator and denominator coefficients of the filter's transfer function.
</para>
</refsection>
<refsection>
<title>Examples</title>
<programlisting role="example"><![CDATA[
filtic([%i,1,-%i,5], [1,2,3*%i], [0.8*%i,7,9])
//Expected Output:
//ans =
//-22.6i
// 2.4
// 0
]]></programlisting>
</refsection>
</refentry>
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