pencil to E,A conversion
[E,A]=pen2ea(Fs)
matrix pencil s*E-A
s*E-A
two matrices such that Fs=s*E-A
Fs=s*E-A
Utility function. Given the pencil Fs=s*E-A, returns the matrices E and A.
E
A
E=[1,0];A=[1,2];s=poly(0,'s'); [E,A]=pen2ea(s*E-A)