<?xml version="1.0" encoding="UTF-8"?>

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<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="scaling">

    <refnamediv>

        <refname>scaling</refname>

        <refpurpose>点の集合をアフィン変換する</refpurpose>

    </refnamediv>

    <refsynopsisdiv>

        <title>呼び出し手順</title>

        <synopsis>xy1=scaling(xy,scalingFactor,[orig])</synopsis>

    </refsynopsisdiv>

    <refsection>

        <title>引数</title>

        <variablelist>

            <varlistentry>

                <term>xy1</term>

                <listitem>

                    <para>大きさ (2,.)の行列.</para>

                </listitem>

            </varlistentry>

            <varlistentry>

                <term>xy</term>

                <listitem>

                    <para>大きさ (2,.)の行列.</para>

                </listitem>

            </varlistentry>

            <varlistentry>

                <term>scalingFactor</term>

                <listitem>

                    <para>実数スカラー, 線形変換の係数.</para>

                </listitem>

            </varlistentry>

            <varlistentry>

                <term>orig</term>

                <listitem>

                    <para>シフトベクトル; デフォルト値は [0;0].</para>

                </listitem>

            </varlistentry>

        </variablelist>

    </refsection>

    <refsection>

        <title>説明</title>

        <para>

            <literal>scaling</literal> は,座標<literal>xy</literal>で

            定義された点の集合に関して次のアフィン変換を行ないます:

        </para>

        <para>

            <literal>xy1(:,i) = scalingFactor * (xy(:,i) - orig) + orig</literal>.

        </para>

    </refsection>

</refentry>

