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Article #84

Bug in Macsyma's definite integration ?

#84
From: Michael B. Monagan
Date: Sat, 17 Aug 1985 02:36
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(c1) integrate( exp(-t)/(1+t), t, 0, infinity );
INTEGRAL IS DIVERGENT

/* This is wrong.  Have I input the problem incorrectly ? */
/* Also, after 10 minutes on the following problem. */

(c2) integrate( exp(-t)/(1+t^(3/2)), t, 0, infinity );
NAME STACK OVERFLOW

/* Am using the latest version on a VAX running Berkely UNIX BSD 4.2 */
Technical Details
Message-ID: <256@watmum.UUCP>
Path: arc1-ca.pugleaf.net!utzoo!watmath!watnot!watmum!mbmonagan

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Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Posting-Version: version B 2.10.2 9/18/84; site watmum.UUCP
Path: arc1-ca.pugleaf.net!utzoo!watmath!watnot!watmum!mbmonagan
From: mbmonagan@watmum.UUCP (Michael B. Monagan)
Newsgroups: net.math.symbolic
Subject: Bug in Macsyma's definite integration ?
Message-ID: <256@watmum.UUCP>
Date: Fri, 16-Aug-85 22:36:29 EDT
Article-I.D.: watmum.256
Posted: Fri Aug 16 22:36:29 1985
Date-Received: Mon, 19-Aug-85 06:23:01 EDT
Distribution: net
Organization: U of Waterloo, Ontario
Lines: 10