Re: symbolic integration of wave functions
- To: mathgroup at smc.vnet.net
- Subject: [mg117017] Re: symbolic integration of wave functions
- From: Achilleas Lazarides <achilleas.lazarides at gmx.com>
- Date: Tue, 8 Mar 2011 05:32:15 -0500 (EST)
No he is right, they should be the same. They are not here either (with v8) .
On Mar6, 2011, at 11:43 AM, Sjoerd C. de Vries wrote:
> Chris,
>
> A change of variables implies a change of boundary values...
>
> Cheers -- Sjoerd
>
> On Mar 5, 12:09 pm, chris pichon <c.n.c.pic... at gmail.com> wrote:
>> Hello,
>>
>> Has anybody found the following problem with this integral in Mathematica 8 ?
>>
>> Integrate[ Sin[x] Exp[ I k Cos[x - y]], {x, 0, 2 Pi}]
>>
>> which produces 0, which is incorrect as it should match
>>
>> Integrate[Sin[x + y] Exp[I k Cos[x]], {x, 0, 2 Pi}]
>>
>> 2 I Pi BesselJ[1, k] Sin[y]
>>
>> Cheers,
>>
>> Chris
>
>