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Scilabヘルプ >> CACSD > Linear System Representation > pol2des

pol2des

記述形式の多項式行列

呼び出し手順

[N,B,C]=pol2des(Ds)

パラメータ

Ds

多項式

N, B, C

実数行列

説明

多項式 Ds=D_0 +D_1 s +D_2 s^2 +... +D_k s^kを指定すると, pol2des は,N 冪ゼロとして 3つの行列 N, B, Cを返します:

Ds = C (s*N-eye())^-1 B

s = poly(0,'s');
G = [1, s; 1+s^2, 3*s^3];
[N, B, C] = pol2des(G);
G1 = clean(C*inv(s*N-eye())*B)
G2 = G1.num

参照

  • ss2des — (多項式) 状態空間をディスクリプタ形式に変換
  • tf2des — 伝達関数をディスクリプタ形式に変換
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Last updated:
Mon Jan 03 14:37:49 CET 2022