Re: Working modulo 2

*To*: mathgroup at smc.vnet.net*Subject*: [mg92115] Re: Working modulo 2*From*: Bill Rowe <readnews at sbcglobal.net>*Date*: Sat, 20 Sep 2008 05:00:29 -0400 (EDT)

On 9/19/08 at 5:56 AM, me13013 at gmail.com (me13013) wrote: >How does one reduce a polynomial's coefficients modulo 2? For >example, I have a function that sums several polynomials, and >currently produces a result like this: >7 + x + 4 y + 4 x y + 3 z + 2 x z + 4 y z + 4 x y z >I want to reduce this to >1 + x + z In[5]:= PolynomialMod[ 7 + x + 4 y + 4 x y + 3 z + 2 x z + 4 y z + 4 x y z, 2] Out[5]= x+z+1