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Scilabヘルプ >> Polynomials > coeff

coeff

多項式行列の係数

呼び出し手順

C = coeff(Mp)
C = coeff(Mp, degrees)

パラメータ

Mp

多項式行列

v

整数 (行または列), 選択した次数のベクトル

C

大きな係数の行列

説明

C=coeff(Mp) 多項式行列Mpの係数である大きな 行列Cを返します. CC=[C0,C1,...,Ck]のように 分割されます. ただし,Ciは昇順 k = max(degree(Mp))に並べられています.

C=coeff(Mp,v)degreesの次数の行列の係数を返します (degrees は行または列ベクトルです).

s = %s;
w = s*rand(10,10);
determ(w)
coeff(w,1)

r = poly([0 -1+%i -1-%i],'s',"roots");
coeff(r)

r = poly([-1-%i -1+2*%i 0],'s',"roots");
coeff(r)

参照

  • poly — Polynomial definition from given roots or coefficients, or characteristic to a square matrix.
  • degree — 多項式行列の次数
  • inv_coeff — 係数を指定して多項式行列を作成
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Last updated:
Mon Jan 03 14:37:49 CET 2022