4dc7037a4aef5227acdb1d0ab8215bb3ff1db18e
[scilab.git] / scilab / modules / cacsd / help / ja_JP / plot_display / chart.xml
1 <?xml version="1.0" encoding="UTF-8"?>
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12  -->
13 <refentry xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:svg="http://www.w3.org/2000/svg" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:db="http://docbook.org/ns/docbook" xmlns:scilab="http://www.scilab.org" xml:lang="ja" xml:id="chart">
14     <refnamediv>
15         <refname>chart</refname>
16         <refpurpose>ニコルス線図における等高線プロット</refpurpose>
17     </refnamediv>
18     <refsynopsisdiv>
19         <title>呼び出し手順</title>
20         <synopsis>chart([flags])
21             chart(gain [,flags])
22             chart(gain,phase [,flags])
23         </synopsis>
24     </refsynopsisdiv>
25     <refsection>
26         <title>パラメータ</title>
27         <variablelist>
28             <varlistentry>
29                 <term>gain</term>
30                 <listitem>
31                     <para>実数ベクトル ( ゲイン (単位:DB))</para>
32                 </listitem>
33             </varlistentry>
34             <varlistentry>
35                 <term>phase</term>
36                 <listitem>
37                     <para>実数ベクトル (位相 (単位:度 ))</para>
38                 </listitem>
39             </varlistentry>
40             <varlistentry>
41                 <term>flags</term>
42                 <listitem>
43                     <para>最大4個のフラグのリスト(sup [,leg [,cm [,cphi]]])</para>
44                     <variablelist>
45                         <varlistentry>
46                             <term>sup</term>
47                             <listitem>
48                                 <para>1は前のプロットへ重ね合わせを行うこと,
49                                     0 は重ね合わせを行わないことを示します.
50                                 </para>
51                             </listitem>
52                         </varlistentry>
53                         <varlistentry>
54                             <term>leg</term>
55                             <listitem>
56                                 <para>1 は凡例を描画する, 0 は凡例を描画しないことを示します</para>
57                             </listitem>
58                         </varlistentry>
59                         <varlistentry>
60                             <term>cm</term>
61                             <listitem>
62                                 <para>ゲイン曲線の色の添え字</para>
63                             </listitem>
64                         </varlistentry>
65                         <varlistentry>
66                             <term>cphi</term>
67                             <listitem>
68                                 <para>位相曲線の色の添え字</para>
69                             </listitem>
70                         </varlistentry>
71                     </variablelist>
72                 </listitem>
73             </varlistentry>
74         </variablelist>
75     </refsection>
76     <refsection>
77         <title>説明</title>
78         <para>ニコルス線図,つまり,
79             位相/ゲイン平面におけるy/(1+y)の等ゲイン,等位相の等高線
80             をプロットします.
81         </para>
82         <para>
83             <literal>chart</literal> は
84             <link linkend="black">black</link>と組み合わせて
85             使用することができます.
86         </para>
87         <para>
88             <literal>gain</literal> および
89             <literal>phase</literal> のデフォルト値はそれぞれ以下のようになっています :
90         </para>
91         <para>
92             <literal>[-12 -8 -6 -5 -4 -3 -2 -1.4 -1 -.5 0.25 0.5 0.7 1 1.4 2 2.3 3 4 5 6 8 12]</literal>
93         </para>
94         <para>
95             <literal>[-(1:10) , -(20:10:160)]</literal>
96         </para>
97     </refsection>
98     <refsection>
99         <title>例</title>
100         <programlisting role="example"><![CDATA[ 
101 s=poly(0,'s')
102 h=syslin('c',(s^2+2*0.9*10*s+100)/(s^2+2*0.3*10.1*s+102.01))
103 black(h,0.01,100)
104 chart(list(1,0,2,3));
105
106 clf()
107 h1=h*syslin('c',(s^2+2*0.1*15.1*s+228.01)/(s^2+2*0.9*15*s+225))
108 black([h1;h],0.01,100,['h1';'h'])
109 set(gca(),'data_bounds',[-180 -30;180 30]) //enlarge the frame
110 chart(list(1,0));
111  ]]></programlisting>
112     </refsection>
113     <refsection role="see also">
114         <title>参照</title>
115         <simplelist type="inline">
116             <member>
117                 <link linkend="nyquist">nyquist</link>
118             </member>
119             <member>
120                 <link linkend="black">black</link>
121             </member>
122         </simplelist>
123     </refsection>
124 </refentry>