Re: symbolic integration of wave functions
- To: mathgroup at smc.vnet.net
- Subject: [mg117018] Re: symbolic integration of wave functions
- From: "Sjoerd C. de Vries" <sjoerd.c.devries at gmail.com>
- Date: Tue, 8 Mar 2011 05:32:27 -0500 (EST)
Yep, I was a bit too fast there. Looks like a bug indeed. > -----Original Message----- > From: Achilleas Lazarides [mailto:achilleas.lazarides at gmx.com] > Sent: Monday, 7 March 2011 12:44 > To: Sjoerd C. de Vries > Cc: mathgroup at smc.vnet.net > Subject: Re: [mg116978] Re: symbolic integration of wave functions > > 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 > > > >