scilab/modules/elementary_functions/help/ja_JP/integer_representation/dec2bin.xml

   1 <?xml version="1.0" encoding="UTF-8"?>
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  11  * and continues to be available under such terms.
  12  * For more information, see the COPYING file which you should have received
  13  * along with this program.
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  16 <refentry xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink"
  17           xmlns:svg="http://www.w3.org/2000/svg" xmlns:ns5="http://www.w3.org/1999/xhtml"
  18           xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:db="http://docbook.org/ns/docbook"
  19           xmlns:scilab="http://www.scilab.org" xml:id="dec2bin" xml:lang="ja">
  20     <refnamediv>
  21         <refname>dec2bin</refname>
  22         <refpurpose>10進数から2進数への変換</refpurpose>
  23     </refnamediv>
  24     <refsynopsisdiv>
  25         <title>呼び出し手順</title>
  26         <synopsis>
  27             str = dec2bin(x)
  28             str = dec2bin(x,n)
  29         </synopsis>
  30     </refsynopsisdiv>
  31     <refsection>
  32         <title>引数</title>
  33         <variablelist>
  34             <varlistentry>
  35                 <term>x</term>
  36                 <listitem>
  37                     <para>double行列, 正の整数値</para>
  38                 </listitem>
  39             </varlistentry>
  40             <varlistentry>
  41                 <term>n</term>
  42                 <listitem>
  43                     <para>正の整数</para>
  44                 </listitem>
  45             </varlistentry>
  46             <varlistentry>
  47                 <term>str</term>
  48                 <listitem>
  49                     <para>文字列の行列</para>
  50                 </listitem>
  51             </varlistentry>
  52         </variablelist>
  53     </refsection>
  54     <refsection>
  55         <title>説明</title>
  56         <para>
  57             正の整数(または整数のベクトル/行列)
  58             <literal>x</literal>を指定すると,
  59             この関数は,
  60             <literal>x</literal>の2進数表現を含む
  61             文字列(または文字列の列ベクトル)を返します.
  62             <literal>x</literal>の次元が1より大きい場合,
  63             列ベクトル<literal>str</literal>の各要素が
  64             <literal>x</literal>の要素の2進表現となります
  65             (すなわち,<literal>str(i)</literal>が
  66             <literal>x(i)</literal>の2進表現).
  67         </para>
  68         <para>
  69             <literal>str</literal>の要素の長さが<literal>n</literal>
  70             より小さい場合 (すなわち, length str(i) &lt; n),
  71             <literal>str</literal>要素の左側に,長さが
  72             <literal>n.</literal>等しくなる分の文字 '0'を
  73             <literal>str</literal>要素の左側に追加します.
  74         </para>
  75     </refsection>
  76     <refsection>
  77         <title>例</title>
  78         <programlisting role="example"><![CDATA[
  79 // 例 1 :
  80 x=86;
  81 str=dec2bin(x)
  82
  83 // 例 2 :
  84 // 86 の2進表現は : '1010110'
  85 // 長さは7 (n以下)のため, str(の左側)に'0'が8個追加されます
  86 x=86;n=15;
  87 str=dec2bin(x,n)
  88
  89 // 例 3 :
  90 x=[12;45;135]
  91 z=dec2bin(x)
  92  ]]></programlisting>
  93     </refsection>
  94     <refsection role="see also">
  95         <title>参照</title>
  96         <simplelist type="inline">
  97             <member>
  98                 <link linkend="bitstring">bitstring</link>
  99             </member>
 100             <member>
 101                 <link linkend="dec2base">dec2base</link>
 102             </member>
 103             <member>
 104                 <link linkend="dec2oct">dec2oct</link>
 105             </member>
 106             <member>
 107                 <link linkend="dec2hex">dec2hex</link>
 108             </member>
 109             <member>
 110                 <link linkend="bin2dec">bin2dec</link>
 111             </member>
 112         </simplelist>
 113     </refsection>
 114 </refentry>