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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="fplot3d">

    <refnamediv>

        <refname>fplot3d</refname>

        <refpurpose>関数により定義された曲面の3次元プロット</refpurpose>

    </refnamediv>

    <refsynopsisdiv>

        <title>呼び出し手順</title>

        <synopsis>fplot3d(xr,yr,f,[theta,alpha,leg,flag,ebox])

            fplot3d(xr,yr,f,&lt;opt_args&gt;)

        </synopsis>

    </refsynopsisdiv>

    <refsection>

        <title>引数</title>

        <variablelist>

            <varlistentry>

                <term>xr</term>

                <listitem>

                    <para>大きさ n1の行ベクトル.</para>

                </listitem>

            </varlistentry>

            <varlistentry>

                <term>yr</term>

                <listitem>

                    <para>大きさ n2の行ベクトル.</para>

                </listitem>

            </varlistentry>

            <varlistentry>

                <term>f</term>

                <listitem>

                    <para>z=f(x,y)型の外部ルーチン.</para>

                </listitem>

            </varlistentry>

            <varlistentry>

                <term>theta,alpha,leg,flag,ebox</term>

                <listitem>

                    <para>

                        <literal>plot3d</literal>参照.

                    </para>

                </listitem>

            </varlistentry>

            <varlistentry>

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

                <listitem>

                    <para>

                        <literal>plot3d</literal>参照.

                    </para>

                </listitem>

            </varlistentry>

        </variablelist>

    </refsection>

    <refsection>

        <title>説明</title>

        <para>

            <literal>fplot3d</literal> は,

            <literal>xr</literal> および

            <literal>yr</literal>で定義されたグリット上に

            外部関数<literal>f</literal>

            により定義された曲面をプロットします.

        </para>

        <para>

            コマンド <literal>fplot3d()</literal> を入力すると,デモが表示されます.

        </para>

    </refsection>

    <refsection>

        <title>例</title>

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

deff('z=f(x,y)','z=x^4-y^4')

x=-3:0.2:3 ;y=x ;

clf() ;fplot3d(x,y,f,alpha=5,theta=31)

 ]]></programlisting>

        <scilab:image>

            deff('z=f(x,y)','z=x^4-y^4')

            x=-3:0.2:3 ;y=x ;

            clf() ;fplot3d(x,y,f,alpha=5,theta=31)

        </scilab:image>

    </refsection>

    <refsection role="see also">

        <title>参照</title>

        <simplelist type="inline">

            <member>

                <link linkend="plot3d">plot3d</link>

            </member>

        </simplelist>

    </refsection>

</refentry>

