<?xml version="1.0" encoding="UTF-8"?>
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 * Scilab ( https://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.
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<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="syssize">
    <refnamediv>
        <refname>syssize</refname>
        <refpurpose>size of state-space system</refpurpose>
    </refnamediv>
    <refsynopsisdiv>
        <title>Syntax</title>
        <synopsis>[r, nx] = syssize(Sl)</synopsis>
    </refsynopsisdiv>
    <refsection>
        <title>Arguments</title>
        <variablelist>
            <varlistentry>
                <term>Sl</term>
                <listitem>
                    <para>
                        linear system (<literal>syslin</literal> list) in state-space
                    </para>
                </listitem>
            </varlistentry>
            <varlistentry>
                <term>r</term>
                <listitem>
                    <para>1 x 2 real vector</para>
                </listitem>
            </varlistentry>
            <varlistentry>
                <term>nx</term>
                <listitem>
                    <para>integer</para>
                </listitem>
            </varlistentry>
        </variablelist>
    </refsection>
    <refsection>
        <title>Description</title>
        <para>
            returns in <literal>r</literal> the vector [number of outputs, number of inputs]
            of the linear system <literal>Sl</literal>. <literal>nx</literal> is the number of states of <literal>Sl</literal>.
        </para>
    </refsection>

    <refsection>
        <title>Examples</title>
        <programlisting role="example"><![CDATA[

a=[-2.2567e-02  -36.617  -18.897  -32.090  3.2509  -7.6257e-1;
  9.2572e-05  -1.8997  9.8312e-01  -7.2562e-04  -1.7080e-01  -4.9652e-03;
    1.2338e-02  11.720  -2.6316  8.7582e-04  -31.604  22.396;
    0           0        1       0            0       0  ;
    0           0        0       0           -30      0  ;
    0           0        0       0            0      -30  ];

b=0*ones(6,2);
b(5,1)=30;
b(6,2)=30;
c=0*ones(2,6);
c(1,2)=1;
c(2,4)=1;
G=syslin('c',a,b,c);
r=syssize(G)
   ]]></programlisting>

    </refsection>

    <refsection role="see also">
        <title>See also</title>
        <simplelist type="inline">
            <member>
                <link linkend="size">size</link>
            </member>
        </simplelist>
    </refsection>
</refentry>
