<?xml version="1.0" encoding="UTF-8"?>
<!--
 * Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
 * Copyright (C) INRIA -
 * Copyright (C) 2012 - 2016 - Scilab Enterprises
 *
 * This file is hereby licensed under the terms of the GNU GPL v2.0,
 * pursuant to article 5.3.4 of the CeCILL v.2.1.
 * This file was originally licensed under the terms of the CeCILL v2.1,
 * and continues to be available under such terms.
 * For more information, see the COPYING file which you should have received
 * along with this program.
 *
 -->
<refentry xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink"
          xmlns:svg="http://www.w3.org/2000/svg" xmlns:mml="http://www.w3.org/1998/Math/MathML"
          xmlns:db="http://docbook.org/ns/docbook" xmlns:scilab="http://www.scilab.org"
          xml:lang="en" xml:id="arma2p">
    <refnamediv>
        <refname>arma2p</refname>
        <refpurpose>extract polynomial matrices from ar representation</refpurpose>
    </refnamediv>
    <refsynopsisdiv>
        <title>Syntax</title>
        <synopsis>[A, B, D] = arma2p(ar)</synopsis>
    </refsynopsisdiv>
    <refsection>
        <title>Arguments</title>
        <variablelist>
            <varlistentry>
                <term>A,B,D</term>
                <listitem>
                    <para>three polynomial matrices</para>
                </listitem>
            </varlistentry>
            <varlistentry>
                <term>ar</term>
                <listitem>
                    <para>
                        Scilab 'ar' tlist for arma storage (see <literal>armac</literal>).
                    </para>
                </listitem>
            </varlistentry>
        </variablelist>
    </refsection>
    <refsection>
        <title>Description</title>
        <para>
            this function extract polynomial matrices <literal>(A,B,D)</literal> from an armax
            description.
        </para>
    </refsection>
    <refsection>
        <title>Examples</title>
        <programlisting role="example"><![CDATA[
a=[1,-2.851,2.717,-0.865].*.eye(2,2)
b=[0,1,1,1].*.[1;1];
d=[1,0.7,0.2].*.eye(2,2);
sig=eye(2,2);
ar=armac(a,b,d,2,1,sig)
// extract polynomial matrices from ar representation
[A,B,D]=arma2p(ar);
 ]]></programlisting>
    </refsection>
    <refsection role="see also">
        <title>See also</title>
        <simplelist type="inline">
            <member>
                <link linkend="arma">arma</link>
            </member>
            <member>
                <link linkend="armax">armax</link>
            </member>
            <member>
                <link linkend="armax1">armax1</link>
            </member>
            <member>
                <link linkend="arsimul">arsimul</link>
            </member>
            <member>
                <link linkend="armac">armac</link>
            </member>
        </simplelist>
    </refsection>
</refentry>
