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Re: Working modulo 2

• To: mathgroup at smc.vnet.net
• Subject: [mg92097] Re: Working modulo 2
• From: Jean-Marc Gulliet <jeanmarc.gulliet at gmail.com>
• Date: Sat, 20 Sep 2008 04:57:06 -0400 (EDT)
• Organization: The Open University, Milton Keynes, UK
• References: <gavt0g$g4u$1@smc.vnet.net>

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

*snip*

In[1]:= PolynomialMod[
  7 + x + 4 y + 4 x y + 3 z + 2 x z + 4 y z + 4 x y z, 2]

Out[1]= 1 + x + z

Regards,
-- Jean-Marc