MathGroup Archive 1997

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Nonlinear Fit

  • To: mathgroup at
  • Subject: [mg7445] Nonlinear Fit
  • From: Stephan Trebels <strebel2 at>
  • Date: Wed, 4 Jun 1997 02:30:29 -0400 (EDT)
  • Organization: GWDG, Goettingen
  • Sender: owner-wri-mathgroup at


I would like to fit a function that is defined on intervalls of
variable space.

i.e. the function has one variable t and parameters c0 c1 t0
I would like to fit the equivalent of If[t>t0,formula1,formula2].

NonlinearFit in Mma 3 doesn't like this construct at all.

Thanks for any input, Stephan

Task:  System Administration Unix (HP-UX, Linux, FreeBSD) 
Email: Stephan Trebels <strebel2 at>  
Mail:  Abt. 081, MPI bpC, Am Fassberg, 37077 Goettingen, Germany
Tel:   +49 551 201 1 454 

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