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Справка Scilab >> Polynomials > coeff

coeff

coefficients of matrix polynomial

Syntax

[C]=coeff(Mp [,v])

Arguments

Mp

polynomial matrix

v

integer (row or column) vector of selected degrees

C

big matrix of the coefficients

Description

C=coeff(Mp) returns in a big matrix C the coefficients of the polynomial matrix Mp . C is partitioned as C=[C0,C1,...,Ck] where the Ci are arranged in increasing order k = max(degree(Mp))

C=coeff(Mp,v) returns the matrix of coefficients with degree in v . (v is a row or column vector).

Examples

s=poly(0,'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)

See also

  • poly — определение полинома
  • degree — degree of polynomial matrix
  • inv_coeff — построение матрицы полиномов по их коэффициентам
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Last updated:
Tue Feb 14 15:13:23 CET 2017