denom

denom — denominator

Calling sequence

den=denom(r)  

Parameters

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

Description

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

See also

numer