[Maxima] A regression in Maxima 5.17.1 with limits and assumptions?
Stavros Macrakis
macrakis at alum.mit.edu
Tue Dec 23 10:13:21 CST 2008
On Tue, Dec 23, 2008 at 1:02 AM, Robert Dodier <robert.dodier at gmail.com>wrote:
> Failing to make the trivial substitution is a substantial missed
> opportunity.
>
Hmm. That opens up an interesting can of worms in the general case.... The
scope of asksign responses is (by default) one %i/%o interaction. So
perhaps something like [abs(x),asksign(x)] should return [x,pos], [0,zero],
or [-x,neg], and not [abs(x),pos/zero/neg]. And what about [if x>0 then a
else b, asksign(x)]? Should that re-simplify the conditional?
-s
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