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<?xml version="1.0" encoding="UTF-8"?>
<!--
*
* This help file was generated from invimpinvar.sci using help_from_sci().
*
-->
<refentry version="5.0-subset Scilab" xml:id="invimpinvar" 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>invimpinvar</refname>
<refpurpose>This function converts digital filter with coefficients b and a to analog, conserving impulse response.</refpurpose>
</refnamediv>
<refsynopsisdiv>
<title>Calling Sequence</title>
<synopsis>
[b, a] = impinvar (b, a)
[b, a] = impinvar (b, a, fs)
[b, a] = impinvar (b, a, fs, tol)
</synopsis>
</refsynopsisdiv>
<refsection>
<title>Parameters</title>
<variablelist>
<varlistentry><term>b:</term>
<listitem><para> real or complex valued scalar or vector</para></listitem></varlistentry>
<varlistentry><term>a:</term>
<listitem><para> real or complex valued scalar or vector, order should be greater than b</para></listitem></varlistentry>
<varlistentry><term>fs:</term>
<listitem><para> real or complex value, default value 1Hz</para></listitem></varlistentry>
<varlistentry><term>tol:</term>
<listitem><para> real or complex value, default value 0.0001</para></listitem></varlistentry>
</variablelist>
</refsection>
<refsection>
<title>Description</title>
<para>
This is an Octave function.
This function converts digital filter with coefficients b and a to analog, conserving impulse response.
This function does the inverse of impinvar.
</para>
</refsection>
<refsection>
<title>Examples</title>
<programlisting role="example"><![CDATA[
b = 0.0081000
a = [2.0000000, 0.56435378, 0.4572792, 0.00705544, 0.091000]
[ay, by] = invimpinvar(b,a,10)
ay =
-1.6940e-16 4.6223e+00 -4.5210e+00 7.2880e+02
by =
Columns 1 through 4:
1.0000e+00 3.0900e+01 9.6532e+02 1.2232e+04
Column 5:
1.1038e+05
]]></programlisting>
</refsection>
</refentry>
|
