GPL + CeCILL Header change
[scilab.git] / scilab / modules / elementary_functions / help / ru_RU / exponential / log2.xml
1 <?xml version="1.0" encoding="UTF-8"?>
2 <!--
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8  * This file is hereby licensed under the terms of the GNU GPL v2.0,
9  * pursuant to article 5.3.4 of the CeCILL v.2.1.
10  * This file was originally licensed under the terms of the CeCILL v2.1,
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13  * along with this program.
14  * === LICENSE_END ===
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16  -->
17 <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="log2" xml:lang="ru">
18     <refnamediv>
19         <refname>log2</refname>
20         <refpurpose>логарифм по основанию 2</refpurpose>
21     </refnamediv>
22     <refsynopsisdiv>
23         <title>Последовательность вызова</title>
24         <synopsis>y=log2(x)</synopsis>
25     </refsynopsisdiv>
26     <refsection>
27         <title>Аргументы</title>
28         <variablelist>
29             <varlistentry>
30                 <term>x</term>
31                 <listitem>
32                     <para>вектор или матрица</para>
33                 </listitem>
34             </varlistentry>
35         </variablelist>
36     </refsection>
37     <refsection>
38         <title>Описание</title>
39         <para>
40             <literal>log2(x)</literal> является поэлементным логарифмом по основанию 2  
41             <literal>y(i,j)=log2(x(i,j))</literal>.
42         </para>
43     </refsection>
44     <refsection>
45         <title>Примеры</title>
46         <programlisting role="example"><![CDATA[ 
47 2.^log2([1,%i,-1,-%i])
48  ]]></programlisting>
49     </refsection>
50     <refsection role="see also">
51         <title>Смотрите также</title>
52         <simplelist type="inline">
53             <member>
54                 <link linkend="log">log</link>
55             </member>
56             <member>
57                 <link linkend="hat">hat</link>
58             </member>
59             <member>
60                 <link linkend="ieee">ieee</link>
61             </member>
62             <member>
63                 <link linkend="log10">log10</link>
64             </member>
65             <member>
66                 <link linkend="frexp">frexp</link>
67             </member>
68         </simplelist>
69     </refsection>
70 </refentry>