[doc] comparisons page improved
[scilab.git] / scilab / modules / elementary_functions / help / pt_BR / trigonometry / matrix_wise / coshm.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="coshm" xml:lang="pt">
17     <refnamediv>
18         <refname>coshm</refname>
19         <refpurpose>co-seno hiperbólico da matriz (matriz co-seno
20             hiperbólico)
21         </refpurpose>
22     </refnamediv>
23     <refsynopsisdiv>
24         <title>Seqüência de Chamamento</title>
25         <synopsis>t=coshm(x)</synopsis>
26     </refsynopsisdiv>
27     <refsection>
28         <title>Parâmetros</title>
29         <variablelist>
30             <varlistentry>
31                 <term>x,t</term>
32                 <listitem>
33                     <para>matriz quadrada de reais ou complexos </para>
34                 </listitem>
35             </varlistentry>
36         </variablelist>
37     </refsection>
38     <refsection>
39         <title>Descrição</title>
40         <para>coshm é o co-seno hiperbólico da matriz x (matriz co-seno
41             hiperbólico de x). <literal>t=(expm(x)+expm(-x))/2</literal>. O resultado
42             pode ser impreciso para matrizes não-simétricas.
43         </para>
44     </refsection>
45     <refsection>
46         <title>Exemplos</title>
47         <programlisting role="example"><![CDATA[
48 A=[1,2;2,4]
49 acoshm(coshm(A))
50  ]]></programlisting>
51     </refsection>
52     <refsection role="see also">
53         <title>Ver Também</title>
54         <simplelist type="inline">
55             <member>
56                 <link linkend="cosh">cosh</link>
57             </member>
58             <member>
59                 <link linkend="expm">expm</link>
60             </member>
61         </simplelist>
62     </refsection>
63 </refentry>