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convert/factorial - GAMMA や二項係数を階乗に変換
使い方
convert( expr, factorial, indets )
パラメータ
expr - 式
indets - (オプション) 未知数や未知数の集合
説明
式の中の GAMMA (ガンマ関数)、二項係数や多項係数を階乗に変換します。
未知数や未知数の集合が指定されると、指定された未知数を含む GAMMA や二項係数だけが階乗関数に変換されます。
式 convert(...,`!`) は convert(...,factorial) と同等です。
例
convert(GAMMA(x),factorial);
convert(GAMMA(x),`!`);
convert(binomial(m,3),factorial);
参照
convert, convert/GAMMA, convert/binomial
Download Help Document