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Scilab manual >> Polynomials > coffg

coffg

多項式行列の逆

呼び出し手順

[Ns,d]=coffg(Fs)

パラメータ

Fs

正方多項式行列

説明

coffgFs^-1 を計算します. ただし, Fs は余因子法による多項式行列です.

Fs inverse = Ns/d

d = 共通分母; Ns = 分子 (多項式行列)

(大きな行列の場合,時間がかかりますが,結果は一般に信頼できます)

s=poly(0,'s')
a=[ s, s^2+1; s  s^2-1];
[a1,d]=coffg(a);
(a1/d)-inv(a)

作者

F. D.; ;

<< coeff Polynomials colcompr >>

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Last updated:
Wed Jan 26 16:25:08 CET 2011