lorentzfit3 1.0

Date Added: March 30, 2013 | Visits: 257

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a = lorentzfit3(x,y,a0) LORENTZFIT3 fits the input Y(X) with a Lorentzian function of the form Y'(X) = A1./((X - A2).^2 + A3) (i.e. 3-parameter model). INPUTS X : Independent variable values Y : Dependent variable values [Y(X)] OPTION A0 : Define initial guess [A1 A2 A3] OUTPUT A : List of Lorentzian parameters [A1 A2 A3] EXAMPLE x = -16:0.1:35; y = 19.4./((x - 7).^2 + 15.8) + randn(size(x))./10; a = lorentzfit3(x,y); figure; plot(x,y,'b.','LineWidth',2) hold on; plot(x,lorentzval3(x,a),'r-','LineWidth',2) Jered R Wells 11/15/11 jered [dot] wells [at] duke [dot] edu See also: lorentzval3 REF: http://www.home.uos.de/kbetzler/notes/fitp.pdf

Requirements: No special requirements

Platforms: Matlab

Keyword: Figure, Lorentzfit, Lorentzval, Parameters, Plotxlorentzval Xarlinewidth, Plotxyblinewidth, Randnsizex, Wells

Users rating: 0/10

License: Shareware

Size: 10 KB

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