<?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: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="scaling" xml:lang="pt">
    <refnamediv>
        <refname>scaling</refname>
        <refpurpose>transformação afim de um conjunto de pontos</refpurpose>
    </refnamediv>
    <refsynopsisdiv>
        <title>Seqüência de Chamamento</title>
        <synopsis>xy1=scaling(xy,scalingFactor,[orig])</synopsis>
    </refsynopsisdiv>
    <refsection>
        <title>Parâmetros</title>
        <variablelist>
            <varlistentry>
                <term>xy1</term>
                <listitem>
                    <para>matriz de tamanho (2,.). </para>
                </listitem>
            </varlistentry>
            <varlistentry>
                <term>xy</term>
                <listitem>
                    <para>matriz de tamanho (2,.). </para>
                </listitem>
            </varlistentry>
            <varlistentry>
                <term>scalingFactor</term>
                <listitem>
                    <para>escalar real, coeficiente da transformação linear. </para>
                </listitem>
            </varlistentry>
            <varlistentry>
                <term>orig</term>
                <listitem>
                    <para>vetor de deslocamento; o valor padrão é [0;0].</para>
                </listitem>
            </varlistentry>
        </variablelist>
    </refsection>
    <refsection>
        <title>Descrição</title>
        <para>
            <literal>scaling</literal> executa uma transformação afim de um
            conjunto de pontos definidos pelas coordenadas
            <literal>xy</literal>:
        </para>
        <para>
            <literal>xy1(:,i) = scalingFactor * (xy(:,i) - orig) + orig</literal>.
        </para>
    </refsection>
</refentry>
