Re: Integrating SphericalHarmonicY
- To: mathgroup at smc.vnet.net
- Subject: [mg73243] Re: Integrating SphericalHarmonicY
- From: wgempel at yahoo.com
- Date: Thu, 8 Feb 2007 03:45:31 -0500 (EST)
- References: <eq9c4v$n37$1@smc.vnet.net><eqc7jq$sfg$1@smc.vnet.net>
On Feb 7, 3:54 am, dh <d... at metrohm.ch> wrote:
> Hi,
>
> if you want to define a rule for this integral for symbolic l and m, you
>
> may define an Upvalue for e.g. Integrate:
Ok, I thought I might need to do something like this. How do I make
sure that integral is only simplified when I have the correct
assumptions?
> > $Assumptions =
> > {Element[Alternatives[theta,phi], Reals] &&
> > Element[Alternatives[l,m], Integers] &&
> > l >= Abs[m]}