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Ticket #85 (closed task: fixed)

Opened 2007-03-23T13:32:15-05:00

Last modified 2008-07-23T10:46:12-05:00

Look into other curve fitting algorithms

Reported by: curtis Owned by: nor
Priority: trivial Milestone:
Component: slim-plotter Severity: serious
Keywords: Cc:
Blocked By: Blocking:

Description (last modified by curtis)

There are other potentially useful techniques for exponential curve fitting aside from Levenberg-Marquardt least squares. One possibility is  Globals, which transforms the data into the frequency domain before performing the fit, then transforms back afterwards. Such algorithms may provide better results, and should be explored.

Change History

comment:1 Changed 2007-10-09T10:23:26-05:00 by curtis

  • Type changed from enhancement to task

comment:2 Changed 2007-10-09T12:44:09-05:00 by curtis

  • Owner changed from curtis to nor

comment:3 Changed 2008-07-22T12:29:39-05:00 by curtis

  • Description modified
  • Severity set to fatal

comment:4 Changed 2008-07-23T10:46:12-05:00 by curtis

  • Status changed from new to closed
  • Resolution set to fixed
  • Severity changed from fatal to serious

SLIM Plotter now has an infrastructure for including additional curve fitting algorithms, and supports a genetic-algorithm-based curve fit routine supporting 1- and 2-component exponential fits.