Revision of help pages for imult function.
[scilab.git] / scilab / modules / elementary_functions / help / pt_BR / complex / imult.xml
1 <?xml version="1.0" encoding="ISO-8859-1"?>
2 <refentry xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:svg="http://www.w3.org/2000/svg" xmlns:ns5="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="imult" xml:lang="en">
3     <refnamediv>
4         <refname>imult</refname>
5         <refpurpose>multiplicação pela parte imaginária i</refpurpose>
6     </refnamediv>
7     <refsynopsisdiv>
8         <title>Seqüência de Chamamento</title>
9         <synopsis>y = imult(x)</synopsis>
10     </refsynopsisdiv>
11     <refsection>
12         <title>Parâmetros</title>
13         <variablelist>
14             <varlistentry>
15                 <term>x</term>
16                 <listitem>
17                     <para>escalar real ou complexo, vetor ou matriz de reais ou
18                         complexos 
19                     </para>
20                 </listitem>
21             </varlistentry>
22             <varlistentry>
23                 <term>y</term>
24                 <listitem>
25                     <para>escalar complexo, vetor ou matriz de complexos </para>
26                 </listitem>
27             </varlistentry>
28         </variablelist>
29     </refsection>
30     <refsection>
31         <title>Descrição</title>
32         <para>
33             <code>imult(x)</code> é um modo mais eficiente de se
34             multiplicar <varname>x</varname> por <literal>i</literal>
35             que <code>y = %i*x</code>, sem os problemas que ocorrem
36             quando <varname>x</varname> inclui números "especiais"
37             em ponto flutuante como <constant>%inf</constant> e
38             <constant>%nan</constant>.
39         </para>
40     </refsection>
41     <refsection>
42         <title>Exemplos</title>
43         <programlisting role="example"><![CDATA[ 
44 z1 = imult(%inf)
45 z2 = %i * %inf
46  ]]></programlisting>
47     </refsection>
48 </refentry>