f75f38f7713b6516e58ea236dcbae482afe9ccfa
[scilab.git] / scilab / modules / linear_algebra / help / pt_BR / state_space / coff.xml
1 <?xml version="1.0" encoding="ISO-8859-1"?>
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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:ns4="http://www.w3.org/1999/xhtml" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:db="http://docbook.org/ns/docbook" xmlns:scilab="http://www.scilab.org" xml:id="coff" xml:lang="en">
14     <refnamediv>
15         <refname>coff</refname>
16         <refpurpose>resolvente (método do cofator) </refpurpose>
17     </refnamediv>
18     <refsynopsisdiv>
19         <title> Seqüência de Chamamento </title>
20         <synopsis>[N,d]=coff(M [,var])</synopsis>
21     </refsynopsisdiv>
22     <refsection>
23         <title>Parâmetros</title>
24         <variablelist>
25             <varlistentry>
26                 <term>M</term>
27                 <listitem>
28                     <para>matriz quadrada de reais</para>
29                 </listitem>
30             </varlistentry>
31             <varlistentry>
32                 <term>var</term>
33                 <listitem>
34                     <para>string</para>
35                 </listitem>
36             </varlistentry>
37             <varlistentry>
38                 <term>N</term>
39                 <listitem>
40                     <para> matriz de polinômios (com o mesmo tamanho que
41                         <literal>M</literal>)
42                     </para>
43                 </listitem>
44             </varlistentry>
45             <varlistentry>
46                 <term>d</term>
47                 <listitem>
48                     <para>polinômio ( polinômio característico
49                         <literal>poly(A,'s')</literal>)
50                     </para>
51                 </listitem>
52             </varlistentry>
53         </variablelist>
54     </refsection>
55     <refsection>
56         <title>Descrição</title>
57         <para>
58             <literal>coff</literal> computa R=<literal>(s*eye()-M)^-1</literal>
59             para <literal>M</literal> uma matriz de reais. R é dado por
60             <literal>N/d</literal>.
61         </para>
62         <para>
63             <literal>N</literal> = matriz de polinômios como numerador.
64         </para>
65         <para>
66             <literal>d</literal> = denominador comum.
67         </para>
68         <para>
69             <literal>var</literal> string ( ('<literal>s</literal>' se
70             omitido)
71         </para>
72     </refsection>
73     <refsection>
74         <title>Exemplos</title>
75         <programlisting role="example"><![CDATA[ 
76 M=[1,2;0,3];
77 [N,d]=coff(M)
78 N/d
79 inv(%s*eye()-M)
80  ]]></programlisting>
81     </refsection>
82     <refsection role="see also">
83         <title>Ver Também</title>
84         <simplelist type="inline">
85             <member>
86                 <link linkend="coffg">coffg</link>
87             </member>
88             <member>
89                 <link linkend="ss2tf">ss2tf</link>
90             </member>
91             <member>
92                 <link linkend="nlev">nlev</link>
93             </member>
94             <member>
95                 <link linkend="poly">poly</link>
96             </member>
97         </simplelist>
98     </refsection>
99 </refentry>