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MathGroup Archive 2003

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NonlinearFit array to function defined by NDSolve?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg44548] NonlinearFit array to function defined by NDSolve?
  • From: "L. Vergara" <lvergara at lauca.usach.cl>
  • Date: Fri, 14 Nov 2003 01:58:39 -0500 (EST)
  • Sender: owner-wri-mathgroup at wolfram.com

Hi,

could somebody help me with the following issue?:

Regarding the package "Statistics'NonlinearFit", is it possible to fit
an
array of preexisting data with a function defined by NDSolve?

Example:

f[y_,a_,b_] :=NDSolve[x'[y] == (y^2/2 + a y + b)/Sqrt[1 -(y^2/2 + a y +
b)^2], x[0] == .6}, y, {y, 0, 1.5}];

Thanks in advance!

Regards,

Lautaro





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