Re: Convert expression to polynomial

*To*: mathgroup at smc.vnet.net*Subject*: [mg70418] Re: [mg70383] Convert expression to polynomial*From*: Andrzej Kozlowski <akoz at mimuw.edu.pl>*Date*: Mon, 16 Oct 2006 02:34:12 -0400 (EDT)*References*: <200610150418.AAA12623@smc.vnet.net>

On 15 Oct 2006, at 13:18, Diana wrote: > Math folks, > > I am generating a list of partial sums which look like: > > x = 1 + (-t + t^2)^(-1) + 1/((-t + t^2)^2*(-t + t^4)) + 1/((-t + > t^2)^4*(-t + t^4)^2*(-t + t^8)) > > I then try to calculate the PolynomialQuotient[Numerator[x], > Denominator[x], t], etc., and I get an error saying that x is not a > polynomial function. > > I tried to find the command to put everything over a common > denominator, but was unable to find this. Can someone help? > > Thanks, > > Diana M. > The command is: Together. Andrzej Kozlowski

**References**:**Convert expression to polynomial***From:*"Diana" <diana.mecum@gmail.com>