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- Newsgroups: sci.math.symbolic
- Path: sparky!uunet!cs.utexas.edu!torn!watserv2.uwaterloo.ca!watdragon.uwaterloo.ca!daisy.uwaterloo.ca!katherle
- From: katherle@daisy.uwaterloo.ca (Kate Atherley)
- Subject: Re: MapleV: limit crashes... an old bug?
- Message-ID: <BuBCw2.21t@watdragon.uwaterloo.ca>
- Sender: news@watdragon.uwaterloo.ca (USENET News System)
- Organization: University of Waterloo
- References: <61830007@acf3.NYU.EDU>
- Date: Wed, 9 Sep 1992 13:45:37 GMT
- Lines: 47
-
- In article <61830007@acf3.NYU.EDU> fanchiot@acf3.NYU.EDU (Sergio Fanchiotti) writes:
- >
- >> limit(ln(abs(x))*x,x=0) ;
- >bytes used=1000436, alloc=786288, time=9.883
- >/usr/bin/maple: 15422 Memory fault11.0u 2.3s 0:36elap 36%cpu (243t+820ds+1063avg+832max)kb (15i+13o)ev (10maj+66min)pf 0swaps
- >
- >If we try with the right condition: sometimes it works some it doesn't.
- >
- >> limit(ln(abs(x))*x,x=0,right) ;
- >bytes used=1000008, alloc=786288, time=10.283
- >/usr/bin/maple: 15448 Memory fault11.4u 2.1s 0:38elap 34%cpu (242t+817ds+1059avg+832max)kb (28i+12o)ev (10maj+66min)pf 0swaps
- >
- >From the left it also crashes...
- >
- >> limit(ln(abs(x))*x,x-=0,left) ;
- >bytes used=1000004, alloc=786288, time=10.683
- >/usr/bin/maple: 15474 Memory fault11.9u 2.8s 0:49elap 29%cpu (247t+809ds+1056avg+838max)kb (43i+13o)ev (11maj+66min)pf 0swaps
- >
- >
- > Does anyone know why this crashes Maple. Also, Mathematica won't
- > do it, but it does not crash..
-
- This is a bug in Maple V. As the session below shows,
- this has been fixed in the development version of Maple.
- You can expect to see this fix in the next release.
-
- |\^/|
- ._|\| |/|_. Symbolic Computation Group, University of Waterloo
- \ MAPLE / Research Version --- Fri Sep 4 10:49:44 EDT 1992
- <____ ____> Type ? for help.
- |
- > limit(ln(abs(x))*x,x=0) ;
- 0
-
- > limit(ln(abs(x))*x,x=0,right) ;
- 0
-
- > limit(ln(abs(x))*x,x=0,left) ;
- 0
-
- > quit
- bytes used=520420, alloc=393144, time=1.22
-
- Kate Atherley
- Technical Support
- Waterloo Maple Software
- support@maplesoft.on.ca
-