* Bug 16145 fixed: intg() integrate() intc() default atol
[scilab.git] / scilab / modules / differential_equations / help / pt_BR / intc.xml
1 <?xml version="1.0" encoding="UTF-8"?>
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16 <refentry xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink"
17           xmlns:svg="http://www.w3.org/2000/svg" xmlns:ns5="http://www.w3.org/1999/xhtml"
18           xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:db="http://docbook.org/ns/docbook"
19           xmlns:scilab="http://www.scilab.org" xml:id="intc" xml:lang="pt">
20     <refnamediv>
21         <refname>intc</refname>
22         <refpurpose>integral de Cauchy</refpurpose>
23     </refnamediv>
24     <refsynopsisdiv>
25         <title>Seqüência de Chamamento</title>
26         <synopsis>
27           [y, err] = intc(a, b, f)
28           [y, err] = intc(a, b, f, abserr)
29           [y, err] = intc(a, b, f, abserr, relerr)
30                 </synopsis>
31     </refsynopsisdiv>
32     <refsection>
33         <title>Parâmetros</title>
34         <variablelist>
35             <varlistentry>
36                 <term>a,b</term>
37                 <listitem>
38                     <para>dois números complexos</para>
39                 </listitem>
40             </varlistentry>
41             <varlistentry>
42                 <term>f</term>
43                 <listitem>
44                     <para>função externa</para>
45                 </listitem>
46             </varlistentry>
47             <varlistentry>
48                 <term>abserr, relerr</term>
49                 <listitem>
50                     real scalars: absolute and relative errors.
51                     Default values: <literal>1.d-13</literal> and <literal>1d-8</literal>.
52                     <para/>
53                 </listitem>
54             </varlistentry>
55             <varlistentry>
56                 <term>err</term>
57                 <listitem>
58                     real number: estimated absolute error on the result.
59                     <para/>
60                 </listitem>
61             </varlistentry>
62         </variablelist>
63     </refsection>
64     <refsection>
65         <title>Descrição</title>
66         <para>
67             Se <literal>f</literal> é uma função com valores complexos,<literal>
68                 intc(a,b,f)
69             </literal>
70             computa o valor da integral de <literal>a</literal>
71             a <literal>b</literal> de <literal>f(z)dz</literal> ao longo da reta
72             <literal>a b</literal> do plano complexo.
73         </para>
74     </refsection>
75     <refsection>
76         <title>Exemplos</title>
77         <programlisting role="example"><![CDATA[
78 function y = f(z)
79   y = z^(3 + %pi * %i);
80 endfunction
81
82 intc(1+%i, 4-%i, f)
83
84 [r, err] = intc(1+%i, 4-%i, f, 1d-10, 1d-6)
85  ]]></programlisting>
86     </refsection>
87     <refsection role="see also">
88         <title>Ver Também</title>
89         <simplelist type="inline">
90             <member>
91                 <link linkend="intg">intg</link>
92             </member>
93             <member>
94                 <link linkend="intl">intl</link>
95             </member>
96         </simplelist>
97     </refsection>
98     <refsection>
99         <title>Histórico</title>
100         <revhistory>
101             <revision>
102                 <revnumber>5.5.0</revnumber>
103                 <revremark>Absolute and relative (input) and absolute (output) errors management added.</revremark>
104             </revision>
105             <revision>
106                 <revnumber>6.1.0</revnumber>
107                 <revremark>
108                     The default abserr value becomes 10<superscript>-13</superscript> instead of
109                     10<superscript>-14</superscript>.
110                 </revremark>
111             </revision>
112         </revhistory>
113     </refsection>
114 </refentry>