Integrate Bug
- To: mathgroup at smc.vnet.net
- Subject: [mg99983] Integrate Bug
- From: Ney Lemke <ney.nlemke at gmail.com>
- Date: Thu, 21 May 2009 00:05:19 -0400 (EDT)
I am trying to calculate this integral that should be positive.But the
answer is 0.
In: Integrate[(1)/(z^2 + b^2 + a^2 - 2 z b Sin[\[Theta]] -
2 a b Cos[\[Theta]])^(1/2), {\[Theta], 0, 2 \[Pi]},
Assumptions -> {a > 0, b > 0, z > 0}]
Out:0
Anybody have notice a situation like that?
My platform is MacOSX 10.4 and Mathematica 7.
Best wishes,
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