568f5f2308b438b702554327aa7eaf5caf31e9c9
[scilab.git] / scilab / modules / polynomials / help / pt_BR / derivat.xml
1 <?xml version="1.0" encoding="ISO-8859-1"?>
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16 <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="derivat" xml:lang="pt">
17     <refnamediv>
18         <refname>derivat</refname>
19         <refpurpose>derivada de matriz de razões de polinômios</refpurpose>
20     </refnamediv>
21     <refsynopsisdiv>
22         <title> Seqüência de Chamamento </title>
23         <synopsis>pd=derivat(p)</synopsis>
24     </refsynopsisdiv>
25     <refsection>
26         <title>Parâmetros</title>
27         <variablelist>
28             <varlistentry>
29                 <term>p</term>
30                 <listitem>
31                     <para>matriz de polinômios ou de razões de polinômios</para>
32                 </listitem>
33             </varlistentry>
34         </variablelist>
35     </refsection>
36     <refsection>
37         <title>Descrição</title>
38         <para>Computa a derivada da matriz de polinômios ou de funções racionais
39             em relação à variável livre.
40         </para>
41     </refsection>
42     <refsection>
43         <title>Exemplos</title>
44         <programlisting role="example"><![CDATA[
45 s=poly(0,'s');
46 derivat(1/s)  // -1/s^2;
47  ]]></programlisting>
48         <programlisting role="example"><![CDATA[
49 p1 = poly([1 -2 1], 'x', 'coeff')
50 derivat(p1)
51  ]]></programlisting>
52         <programlisting role="example"><![CDATA[
53 p2 = poly([1 -4 2], 'y', 'coeff')
54 derivat(p2)
55  ]]></programlisting>
56         <programlisting role="example"><![CDATA[
57 p3 = poly(ones(1, 10), 'z', 'coeff')
58 derivat(p3)
59  ]]></programlisting>
60         <programlisting role="example"><![CDATA[
61 p4 = poly([-1 1], 't', 'roots')
62 derivat(p4)
63  ]]></programlisting>
64         <programlisting role="example"><![CDATA[
65 s = %s; p5 = s^{-1} + 2 + 3*s
66 derivat(p5)
67  ]]></programlisting>
68     </refsection>
69 </refentry>