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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="h_inf_st">
    <refnamediv>
        <refname>h_inf_st</refname>
        <refpurpose>静的なH_infinity問題</refpurpose>
    </refnamediv>
    <refsynopsisdiv>
        <title>呼び出し手順</title>
        <synopsis>[Kopt,gamaopt]=h_inf_stat(D,r)</synopsis>
    </refsynopsisdiv>
    <refsection>
        <title>パラメータ</title>
        <variablelist>
            <varlistentry>
                <term>D</term>
                <listitem>
                    <para>実数行列</para>
                </listitem>
            </varlistentry>
            <varlistentry>
                <term>r</term>
                <listitem>
                    <para>1x2 ベクトル</para>
                </listitem>
            </varlistentry>
            <varlistentry>
                <term>Kopt</term>
                <listitem>
                    <para>行列</para>
                </listitem>
            </varlistentry>
        </variablelist>
    </refsection>
    <refsection>
        <title>説明</title>
        <para>
            <literal>lft(D,r,K)=D11+D12* K*inv(I-D22*K)* D21</literal>の
            最大特異値が最小となるような行列 <literal>Kopt</literal>
            を計算します.
            (静的 <literal>H_infinity</literal> 4ブロック問題)
        </para>
        <para>
            D は <literal>D=[D11 D12; D21 D22]</literal>のように
            分割されます.
            ただし,
            <literal>size(D22)=r=[r1 r2]</literal>
        </para>
    </refsection>
</refentry>
