Re: Integrate Bug
- To: mathgroup at smc.vnet.net
- Subject: [mg100100] Re: [mg99983] Integrate Bug
- From: peter <plindsay.0 at gmail.com>
- Date: Mon, 25 May 2009 06:13:03 -0400 (EDT)
- References: <200905210405.AAA09663@smc.vnet.net>
mac os x 10.5.7, Mathematica 7.0.1.0, 32 Bit: gives 0
Peter
2009/5/21 Ney Lemke <ney.nlemke at gmail.com>:
> 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,
>
>
--
Peter Lindsay
- References:
- Integrate Bug
- From: Ney Lemke <ney.nlemke@gmail.com>
- Integrate Bug