1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
|
<?xml version="1.0" encoding="UTF-8"?>
<!--
* Ajouter ici d'éventuels commentaires sur le fichier XML
-->
<refentry version="5.0-subset Scilab" xml:id="sech" xml:lang="en"
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">
<info>
<pubdate>$LastChangedDate: 09-12-2008 $</pubdate>
</info>
<refnamediv>
<refname>sech</refname>
<refpurpose>Compute the element-wise hyperbolic secant of the
argument.</refpurpose>
</refnamediv>
<refsynopsisdiv>
<title>Calling Sequence</title>
<synopsis>y = sech(x)</synopsis>
</refsynopsisdiv>
<refsection>
<title>Parameters</title>
<variablelist>
<varlistentry>
<term>x</term>
<listitem>
<para>Real or complex array.</para>
</listitem>
</varlistentry>
<varlistentry>
<term>y</term>
<listitem>
<para>Real or complex array.</para>
</listitem>
</varlistentry>
</variablelist>
</refsection>
<refsection>
<title>Description</title>
<para>Compute the element-wise hyperbolic secant of the argument. The
hyperbolic secant is defined as 1/cosh. For real data the results are real
and in <literal> [0 1]</literal>.</para>
</refsection>
<refsection>
<title>Examples</title>
<programlisting role="example"><![CDATA[
x=linspace(-10,10,1000)
plot(x,sech(x))
]]></programlisting>
</refsection>
<refsection>
<title>See Also</title>
<simplelist type="inline">
<member><link linkend="cosh">cosh</link></member>
<member><link linkend="asech">asech</link></member>
</simplelist>
</refsection>
<refsection>
<title>Authors</title>
<simplelist type="vert">
<member>Serge Steer, INRIA</member>
</simplelist>
</refsection>
</refentry>
|
