* Bug #12774 fixed - Fix various typos.
[scilab.git] / scilab / modules / cacsd / help / en_US / krac2.xml
1 <?xml version="1.0" encoding="UTF-8"?>
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13 <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="krac2">
14     <refnamediv>
15         <refname>krac2</refname>
16         <refpurpose>continuous SISO system limit feedback gain</refpurpose>
17     </refnamediv>
18     <refsynopsisdiv>
19         <title>Calling Sequence</title>
20         <synopsis>g=krac2(sys)</synopsis>
21     </refsynopsisdiv>
22     <refsection>
23         <title>Arguments</title>
24         <variablelist>
25             <varlistentry>
26                 <term>sys</term>
27                 <listitem>
28                     <para>SISO linear system (syslin)</para>
29                 </listitem>
30             </varlistentry>
31             <varlistentry>
32                 <term>g</term>
33                 <listitem>
34                     <para>constant</para>
35                 </listitem>
36             </varlistentry>
37         </variablelist>
38     </refsection>
39     <refsection>
40         <title>Description</title>
41         <para>
42             <literal>krac2(sys)</literal> computes the gains <literal>g</literal> such that the system
43             <literal>sys</literal> feedback by g (<literal>sys/.g</literal>) has  2 real equal poles.
44         </para>
45     </refsection>
46     <refsection>
47         <title>Examples</title>
48         <programlisting role="example"><![CDATA[ 
49 h=syslin('c',352*poly(-5,'s')/poly([0,0,2000,200,25,1],'s','c'));
50 clf();evans(h,100)
51 g=krac2(h)
52 hf1=h/.g(1);roots(denom(hf1))
53 hf2=h/.g(2);roots(denom(hf2))
54  ]]></programlisting>
55     </refsection>
56     <refsection role="see also">
57         <title>See Also</title>
58         <simplelist type="inline">
59             <member>
60                 <link linkend="evans">evans</link>
61             </member>
62             <member>
63                 <link linkend="kpure">kpure</link>
64             </member>
65         </simplelist>
66     </refsection>
67 </refentry>