<?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="fplot2d">

    <refnamediv>

        <refname>fplot2d</refname>

        <refpurpose>関数で定義された曲線の二次元プロット</refpurpose>

    </refnamediv>

    <refsynopsisdiv>

        <title>呼び出し手順</title>

        <synopsis>fplot2d(xr,f,[style,strf,leg,rect,nax])

            fplot2d(xr,f,&lt;opt_args&gt;)

        </synopsis>

    </refsynopsisdiv>

    <refsection>

        <title>引数</title>

        <variablelist>

            <varlistentry>

                <term>xr</term>

                <listitem>

                    <para>ベクトル.</para>

                </listitem>

            </varlistentry>

            <varlistentry>

                <term>f</term>

                <listitem>

                    <para>

                        <literal>y=f(x)</literal>型の外部ルーチン. すなわち,scilab関数または

                        文字列として参照された動的にリンクされるルーチン.

                    </para>

                </listitem>

            </varlistentry>

            <varlistentry>

                <term>style,strf,leg,rect,nax</term>

                <listitem>

                    <para>

                        <literal>plot2d</literal>参照

                    </para>

                </listitem>

            </varlistentry>

            <varlistentry>

                <term>&lt;opt_args&gt;</term>

                <listitem>

                    <para>

                        <literal>plot2d</literal>参照

                    </para>

                </listitem>

            </varlistentry>

        </variablelist>

    </refsection>

    <refsection>

        <title>説明</title>

        <para>

            <literal>fplot2d</literal> は外部関数<literal>f</literal>

            で定義された曲線をプロットします.

            曲線は点<literal>(xr(i),f(xr(i))</literal>により

            区分線形補間で近似されます.

            f(x)の値は<literal>feval(xr,f)</literal>により取得されます.

        </para>

        <para>

            コマンド <literal>fplot2d()</literal> を入力すると,デモが表示されます.

        </para>

    </refsection>

    <refsection>

        <title>サンプル</title>

        <scilab:image>fplot2d();</scilab:image>

    </refsection>

    <refsection>

        <title>例</title>

        <programlisting role="example"><![CDATA[

deff("[y]=f(x)","y=sin(x)+cos(x)")

x=[0:0.1:10]*%pi/10;

fplot2d(x,f)

clf();

fplot2d(1:10,'parab')

 ]]></programlisting>

        <scilab:image>

            deff("[y]=f(x)","y=sin(x)+cos(x)")

            x=[0:0.1:10]*%pi/10;

            fplot2d(x,f)

        </scilab:image>



        <programlisting role="example"><![CDATA[

clf();

deff("[y]=f(x)","y=sin(x)+cos(x)")

x=[0:0.1:10]*%pi/10;

fplot2d(x,f)

fplot2d(1:10,'parab')

 ]]></programlisting>

        <scilab:image>

            deff("[y]=f(x)","y=sin(x)+cos(x)")

            x=[0:0.1:10]*%pi/10;

            fplot2d(1:10,'parab')

        </scilab:image>

    </refsection>

    <refsection role="see also">

        <title>参照</title>

        <simplelist type="inline">

            <member>

                <link linkend="plot2d">plot2d</link>

            </member>

            <member>

                <link linkend="feval">feval</link>

            </member>

            <member>

                <link linkend="paramfplot2d">paramfplot2d</link>

            </member>

        </simplelist>

    </refsection>

</refentry>

