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MathGroup Archive 2000

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Galois Field operations

  • To: mathgroup at smc.vnet.net
  • Subject: [mg24891] Galois Field operations
  • From: "Matthew Peacock" <mpeac at labyrinth.net.au>
  • Date: Sat, 19 Aug 2000 04:46:07 -0400 (EDT)
  • Organization: Labyrinth Connections Pty Ltd
  • Sender: owner-wri-mathgroup at wolfram.com

Hi,

I am trying to do some work with polynomials that have coefficients from
GF(16) using Mathematica 2.2.  I have downloaded the package from MathSource
that allows the manipulation of finite field elements, but Mathematica just
carks it if I try to expand the following expression:

Expand[(x-GF[2])(x-GF[2]^2)(x-GF[2])(x-GF[2]^3)(x-GF[2]^4)(x-GF[2]^5)(x-GF[2
]^6)]
Has anybody any idea whether:
    - this is a reasonable thing to ask Mathematica to do
    - there is a better package or (dare I say) software package to do this
with?

Thanks,

Mat Peacock




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