denom¶

denominator

Calling Sequence¶

den=denom(r)

:r rational or polynomial or constant matrix. : :den polynomial matrix :

den=denom(r) returns the denominator of a rational matrix.

Since rationals are internally represented as r=list([‘r’,’num’,’den’,’dt’],num,den,[]), denom(r) is the same as r(3), r(‘den’) or r.den