Scilab Reference Manual |
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pol2des — polynomial matrix to descriptor form
[N,B,C]=pol2des(Ds)
Given the polynomial matrix Ds=D_0 +D_1 s +D_2 s^2 +... +D_k s^k, pol2des returns three matrices N, B, C, with N nilpotent such that:
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=numer(G1)
F.D.;
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