Updates:
Status: Fixed
Labels: -NeedsReview PassedReview
Comment #4 on issue 1790 by matt...@gmail.com: unnecessarily restriction on
monomial ordering
http://code.google.com/p/sympy/issues/detail?id=1790
The keyword argument `order` is now less restrictive, e.g.:
In [1]: rev_lex = lambda monomial: tuple(reversed(monomial))
In [2]: F = [x**5 - y, x**10 - z, x**25 - t]
In [3]: groebner(F, order=rev_lex)
Out[3]:
⎡ 25 10 5⎤
⎣t - x , z - x , y - x ⎦
In [4]: groebner(F, order='grlex')
Out[4]:
⎡ 5 2 3 2⎤
⎣-y + x , -t + y⋅z , -t⋅y + z , -z + y ⎦
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