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- Path: sparky!uunet!newsstand.cit.cornell.edu!vax5.cit.cornell.edu!fnvy
- From: fnvy@vax5.cit.cornell.edu
- Newsgroups: sci.math.symbolic
- Subject: A problem with Maple integration ..
- Message-ID: <1992Sep12.160849.14864@vax5.cit.cornell.edu>
- Date: 12 Sep 92 16:08:49 EDT
- Distribution: sci
- Organization: Cornell University
- Lines: 39
-
- Possible Maple error in integration
-
- This is what I did with xmaple (Maple V) on a sparc station:
-
- |\^/| MAPLE V
- ._|\| |/|_. Copyright (c) 1981-1990 by the University of Waterloo.
- \ MAPLE / All rights reserved. MAPLE is a registered trademark of
- <____ ____> Waterloo Maple Software.
- | Type ? for help.
- > f:=sqrt((1+s)/(1-s));
- 1/2
- (1 + s)
- f := ----------
- 1/2
- (1 - s)
-
- _____________________________________________________________________________
- > integrate(f*s,s,-1,1);
- Error, (in int) invalid arguments
- _____________________________________________________________________________
- > int(f*s,s,-1,1);
- Error, (in int) invalid arguments
- _____________________________________________________________________________
- > help(integrate);
- _____________________________________________________________________________
- > int(f*s,s=-1..1,continuous);
- - 1/2 Pi
-
-
- Whereas the correct answer should be
-
- Pi/2
-
-
- Did I do something wrong? Or, is this a bug on the current version Maple?
- All discussion or advice are welcome. Many thanks for your attention.
-
- Wei-Yan
-
-