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defining a recursive function

• To: mathgroup at smc.vnet.net
• Subject: [mg54870] defining a recursive function
• From: "lou zion" <illuzioner at adelphia.net>
• Date: Fri, 4 Mar 2005 05:08:07 -0500 (EST)
• Reply-to: "lou zion" <illuzioner at adelphia.net>
• Sender: owner-wri-mathgroup at wolfram.com

hi,

i have a function

pr[R_] := R*(i+1) -a

and i need to define f as:

f[N_] := pr[pr[pr[pr[R]]]]     to N levels deep

how can i do this?

thanks!

lou