Toom-2.0 ["1/0", "-1/1", "0/1"] : 2*2 split 2*2 Toom-2.5 ["1/0", "1/1", "-1/1", "0/1"] : 3*2 split 3*2 Toom-3.0 ["1/0", "-2/1", "1/1", "-1/1", "0/1"] : 3*3, 4*2 split 3*3 split 4*2 Toom-3.5 ["1/0", "2/1", "-2/1", "1/1", "-1/1", "0/1"] : 4*…

http://xn--w6q13e505b.jp/method/toomcook.html の定数例計算ネタ。 上記リンク先のToom-4の定数例は一部誤っているようなので注意。 A(), B()の計算・逆行列の計算（抄） Toom-4で["-1/2", "-2/1", "-1/1", "0/1", "1/1", "2/1", "1/0"]のパラメータを取り…