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combinat[eulerian1] - 1 階のオイラー数値
使い方
eulerian1(n, k)
パラメータ
n, k
-
負でない整数
説明
eulerian1(n, k) コマンドは、k が増加する数値計算 の順列 の 数をカウントします。つまり、k は の場合に置かれます。
この関数は次の漸次式を使用して計算できます。
これは次の恒等式も満たします。
= =
例
参照
combinat, combinat[eulerian2], euler
参考文献
R.L.Graham, D.E.Knuth, O.Patashnik, "Concrete Mathematics", Addison-Wesley, Reading, Mass., 1989.
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