On Nov 26, 2008, at 2:14 AM, Robert Bradshaw wrote:
>
> Yes, there is.
>
> sage: var('a')
> sage: assume(a>=0)
> sage: sqrt(a^2)
> a
>
Thanks.
Is there a way to do this for just a single call?
Or is one supposed to just clear the assumption after the
fact (I think the latter is done with forget() if I read
the documentation correctly)?
Cheers,
Tim.
---
Tim Lahey
PhD Candidate, Systems Design Engineering
University of Waterloo
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