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CurvFit 5.11

a curve fitting program: Sine, Power, Exponential, + Lorentzian series
Publisher: Optimal Designs Enterprise
Category: Education
Version: 5.11
License: freeware
Cost: 0$
Size: 1.72 MB
Updated: 06 Sep 2008
CurvFit (tm) is a curve fitting program for Windows. Lorentzian, Sine, Exponential and Power series are available models to match your data. A Lorentzian series is highly recommended for real data especially for multiple peaked and/or valleys data. CurvFit is an example of Calculus programming... ie. minutes to solve, days or years to understand solution and what it implies (e.g. wrong model, sampling rate error, etc.). Helps learn 1) whether math model is good for given data; 2) convergence implies a reasonable solution; 3) how to select new starting initial parameter values. See comments in EX*.? files for ideas on how to converge via solvers. Equation Calculator and Hardcopy Plot prints are now (6/2005) available.

Version: 5.11(22 Jul 2008)
Version: 5.10(11 Nov 2007)
List directory not shown for newer than Win 98 ... fixed.
Version: 5.09(09 Mar 2007)
1. Added an initial plot showing beginning curve fit. 2. Also added more info/comments on frequency selection. 3. Added more Sinusoidal examples with resulting output files. 4. Added 'user\output' directory to save good results from runs.
Version: 5.07

download (curvfit.exe - 1.72 MB)