denom - denominator

Calling Sequence

den=denom(r)

Parameters

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

Description

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

See Also

numer