All Forums  Origin Forum  Origin Forum  multi-peak fit using different functions

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Screensize: 640 x 480 800 x 600 1024 x 768 1280 x 1024 UserName: Password: Anti-Spam Code: Format Mode: Basic  Help  Prompt  Format: Font Andale Mono Arial Arial Black Book Antiqua Century Gothic Comic Sans MS Courier New Georgia Impact Lucida Console Script MT Bold Stencil Tahoma Times New Roman Trebuchet MS Verdana   Size 1 2 3 4 5 6   Color Black Red Yellow Pink Green Orange Purple Blue Beige Brown Teal Navy Maroon LimeGreen Message: * HTML is OFF * Forum Code is ON Smilies [quote][i]Originally posted by ghorycon[/i] [br]Origin Version : 7.0 Operating System: Win XP I am trying to fit a curve with Gaussian and Lorentzian. I use the following eqution for fitmulti-peak fit (setting to y-script) (peak2 is Lorenzian Function); peak1=Ag*exp(-(x-xg)^2/(2*wg^2)); peak2=Al*wl/((x-xl)^2+wl^2); y=y0+peak1+peak2; But,i do not know how to set the Parameter Initialization! Please advice!!! Really need the help!!! [/quote]   Check here to include your profile signature. Check here to subscribe to this topic.