Re: Gamma Simplification
- To: mathgroup at smc.vnet.net
- Subject: [mg30907] Re: [mg30896] Gamma Simplification
- From: BobHanlon at aol.com
- Date: Mon, 24 Sep 2001 01:49:11 -0400 (EDT)
- Sender: owner-wri-mathgroup at wolfram.com
In a message dated 2001/9/23 2:29:41 AM, wharke at sprynet.com writes:
>The function e^x Gamma[n,x] is a polynomial in x of degree
>n-1 when n is a positive integer. How do I force Simplify
>to return the polynomial form, particularly when there are
>several occurences in a given expression.
f[n_, x_] := Exp[x]*Gamma[n, x];
Use FunctionExpand then Simplify
Table[{n, f[n, x]}, {n, 1, 7}]//FunctionExpand//Simplify//TableForm
Bob Hanlon
Chantilly, VA USA