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Nonlinear Discrete

• To: mathgroup at yoda.physics.unc.edu
• Subject: Nonlinear Discrete
• From: E Mendes <E.M.Mendes at sheffield.ac.uk>
• Date: Wed, 23 Feb 94 11:58:23 GMT

Dear Users
	I am currently engaged in writing a function to deal with
some discrete nonlinear system, but unfortunately I am a completely novice
as Mathematica programmer.  Can someone out there give some clue how
to implement a problem such as the following one, please?
	y(t)=a*y(t-1)+b*y(t-2)+c*y(t-1)*y(t-1) ->  First how to code?
	y(t)=A*y1(t) + B*y2(t) + C*y3(t) + .... -> I want to compare
the two expressions and solve for y1(t), y2(t) etc.

	Any help will be appreciated.

Eduardo