[Maxima-bugs] [ maxima-Bugs-1654602 ] limit(%e^b*erf(x), x, inf) asks sign(b)

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Bugs item #1654602, was opened at 2007-02-07 16:43
Message generated for change (Comment added) made by rtoy
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Category: Lisp Core - Limit
Group: None
Status: Open
Resolution: None
Priority: 3
Private: No
Submitted By: Kirill Smelkov (kirr)
Assigned to: Nobody/Anonymous (nobody)
Summary: limit(%e^b*erf(x), x, inf)    asks sign(b)

Initial Comment:
(%i10) limit(%e^b*erf(x), x, inf);
Is  b  positive, negative, or zero?

pos;
                                        b
(%o10)                                %e


Maxima version: 5.11.0cvs
Maxima build date: 21:36 2/7/2007
host type: i686-pc-linux-gnu
lisp-implementation-type: GNU Common Lisp (GCL)
lisp-implementation-version: GCL 2.6.6



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>Comment By: Raymond Toy (rtoy)
Date: 2007-02-22 14:40

Message:
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Originator: NO

For the record, the question comes from pos-neg-p in forq.

Perhaps limit1 should factor out terms not involving the limit variable?

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Comment By: Stavros Macrakis (macrakis)
Date: 2007-02-20 17:49

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Reduced priority to 3.  Result is correct, even if question is
unnecessary.  Maxima alas asks lots of unnecessary questions.

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