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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 martinfournier[/i] [br]Hello, I have a computed lines spectrum, composed of a small number of discrete coordinates (wavenumber, intensity). I also have the experimental spectrum, recorded on my system, composed of a large number of data points (wavenumber, intensity). I know that the response of the experimental system is a voigt function. What I'm trying to do is to convolute the discrete peaks with a voigt function (applied for each of the peaks in respect for X,Y coordinates)to see if I obtain something close to the experimental spectrum. Except I have no idea on how to do that. See image of the data for more clarity. https://www.dropbox.com/s/ay2myyjddy9lu9m/spectrum.png Any help on that would be greatly appreciated. Thanks, Using Origin 8.0.63.988 SR6 and Win7 32B [/quote]   Check here to include your profile signature. Check here to subscribe to this topic.