Trivial integral freezes 3.0
- To: mathgroup at smc.vnet.net
- Subject: [mg9755] Trivial integral freezes 3.0
- From: carlos at titan.Colorado.EDU (Carlos A. Felippa)
- Date: Tue, 25 Nov 1997 00:06:59 -0500
- Organization: University of Colorado, Boulder
- Sender: owner-wri-mathgroup at wolfram.com
The following trivial Integrate statement (from a class example) appears
to freeze Mathematica 3.0 running under Mac OS 7.5.5.
ClearAll[alpha,phi]; alpha=Pi/3;
q=(Cos[alpha]-Cos[alpha+phi])/(-alpha+Pi+Cos[alpha]*Sin[alpha]);
Print["q=",q//InputForm];
r1=Integrate[q,{phi,0,2*Pi-2*alpha}]; Print["r1=",r1//InputForm];
Same freeze happens for other values of alpha, e.g alpha=Pi/6.
Mathematica 2.2 has no problems.
I am curious as to whether the freeze happens on non-Mac versions.