Re: Defining a function

*To*: mathgroup at smc.vnet.net*Subject*: [mg28603] Re: Defining a function*From*: yarblocks at yahoo.de (Jesse Marder)*Date*: Tue, 1 May 2001 00:17:29 -0400 (EDT)*References*: <9cfrlf$gmd@smc.vnet.net> <9cj31q$i0p@smc.vnet.net>*Sender*: owner-wri-mathgroup at wolfram.com

On 30 Apr 2001 03:08:42 -0400, "Allan Hayes" <hay at haystack.demon.co.uk> wrote: >Jesse, >a is not a function of b. >Consider: >Even if we restrict x and y to be positive intergere we have > for a = 4 > a= 1+3 or 2+2 or 3+1 >which give > b = 3 or 4 or 3. sorry, i tried to make it more simple as it is... a is in fact equal to x^2 - y^2.