provides doesn't seem to help either, sorry for
the false advertising.
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For more
at includes the
same functionality, but is designed as a library, and is in active
developement. There might be license issues though, the PPL uses GPL3.
Making the latter available to Sage would certainly interest me.
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Robert Schwarz
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++ library with active developement. They also have some
interfaces to programming languages, not including Python, though.
The PPL could be interesting for Sage for more applications than
polyhedral computations, I hope.
And it's guaranteed to build well, since it's
g sufficiently general, there will be a patch with a new
feature :-)
Thanks, again
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possible
to first compute the permutations under whose operation the exact same
equation result, then take the subgroup H generated by those and use
representants from the cosets of S_n/H to get all unique equations.
Looks like it's not that simple, since H doesn't even have to be normal,
in general.
, given an
implementation of the quotient group is actually available.
Running Sage 4.1 on Arch Linux 64 bit.
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To u
what you think of it ) but I
>> record each linear form : 2*A + 3*B - 5*C as a dictionary {"A":2, "B":
>> 3, "C":-5 }. I have to add "lt":1 if I want to ensure that this form
>> is < 1, but I think we should create a new class LinearConstr
n-Or's clp, the last always winning by 1 or 2 orders of magnitude in
computation time, but it's from 2006, so maybe a bit dated.
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On page 4, under "Background", it says:
The reader [...] must have know the basics of groups [...], which
seems to be a typo. It's not important at all, but I bet you'll be
happy for every error fixed before the book's in print.
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On page 4, under Background, it says:
The reader [...] must have know the basics of groups, rings, [...]
This is minor, but you'll sure be happy for every error fixed before
the book's in print.
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