* Bug 15891 fixed: [doc] matrix-wise trigo pages => subsection
[scilab.git] / scilab / modules / elementary_functions / help / ja_JP / trigonometry / acsc.xml
1 <?xml version="1.0" encoding="utf-8"?>
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="acsc" xml:lang="ja">
3     <refnamediv>
4         <refname>acsc</refname>
5         <refpurpose>引数の逆余割を要素毎に計算する.</refpurpose>
6     </refnamediv>
7     <refsynopsisdiv>
8         <title>呼び出し手順</title>
9         <synopsis>y = acsc(x)</synopsis>
10     </refsynopsisdiv>
11     <refsection>
12         <title>引数</title>
13         <variablelist>
14             <varlistentry>
15                 <term>x</term>
16                 <listitem>
17                     <para>実数または複素数の配列.</para>
18                 </listitem>
19             </varlistentry>
20             <varlistentry>
21                 <term>y</term>
22                 <listitem>
23                     <para>実数または複素数の配列.</para>
24                 </listitem>
25             </varlistentry>
26         </variablelist>
27     </refsection>
28     <refsection>
29         <title>説明</title>
30         <para>
31             引数の逆余割を要素毎に計算します.
32             絶対値が1より大きい実数引数の場合,結果は実数となります.
33         </para>
34         <para>
35             以下の等式が成り立ちます: <code>acsc(z) == -acsc(-z) ==
36                 asin(1/z) == %pi/2-asec(z) == %i*acsch(%i*z)
37             </code>
38         </para>
39     </refsection>
40     <refsection>
41         <title>サンプル</title>
42         <scilab:image>
43             x=linspace(1,20,200);
44             x=[-x($:-1:1) %nan x];
45             plot(x,acsc(x))
46         </scilab:image>
47     </refsection>
48     <refsection>
49         <title>例</title>
50         <programlisting role="example"><![CDATA[
51 x=linspace(1,20,200);
52 x=[-x($:-1:1) %nan x];
53 plot(x,acsc(x))
54  ]]></programlisting>
55     </refsection>
56     <refsection role="see also">
57         <title>参照</title>
58         <simplelist type="inline">
59             <member>
60                 <link linkend="acscd">acscd</link>
61             </member>
62             <member>
63                 <link linkend="csc">csc</link>
64             </member>
65             <member>
66                 <link linkend="cscd">cscd</link>
67             </member>
68             <member>
69                 <link linkend="acsch">acsch</link>
70             </member>
71         </simplelist>
72     </refsection>
73     <refsection>
74         <title>参考文献</title>
75         <simplelist type="vert">
76             <member>Kahan, W., "Branch cuts for complex elementary functions, or,
77                 Much ado about nothing's sign bit", Proceedings of the joing IMA/SIAM
78                 conference on The State of the Art in Numerical Analysis, University of
79                 Birmingham, A. Iserles and M.J.D. Powell, eds, Clarendon Press, Oxford,
80                 1987, 165-210.
81             </member>
82         </simplelist>
83     </refsection>
84 </refentry>