RE: Simple Recursive Map
- To: mathgroup at smc.vnet.net
- Subject: [mg35442] RE: [mg35398] Simple Recursive Map
- From: "John C. Erb, Ph.D." <John_C_Erb at prodigy.net>
- Date: Fri, 12 Jul 2002 04:29:13 -0400 (EDT)
- Reply-to: <John_C_Erb at prodigy.net>
- Sender: owner-wri-mathgroup at wolfram.com
Reuben, Does the following do what you want? a = 2; b = 3; f[0] = 1; g[0] = 1; f[n_] := f[n] = g[n - 1] - a*n^1 - 1; g[n_] := g[n] = b*(n - 1); John C. Erb email: John_C_Erb at prodigy.net -----Original Message----- From: Reuben [mailto:reubengann at hotmail.com] To: mathgroup at smc.vnet.net Subject: [mg35442] [mg35398] Simple Recursive Map I have the map x_n+1=y_n-a*(x_n)^2 - 1 y_n+1=b*x_n If I specify a,b, x_0 and y_0, how can I make Mathematica iterate through this numerically to give me x_50 and y_50? Thanks Reuben