All Forums  Origin Forum  Origin Forum  Subtracting a peak from a curve with different x

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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 itrarti[/i] [br]I have to remove a specific peak from a series of photoluminescence spectra since it "superposes" to the tail of a second more important peak. This unwanted peak (laser) has the same intensity and position for all spectra, so I performed a multi-peak fit on one spectra, and now as output I have the curve I shoud subtract for each spectra. Fine. The problem is: the x axis steps are different between measured spectra and laser "fit" curve, so that if I simply subtract the two y columns, the laser peak is subtracted at the wrong x position. Is there a way to "contract" coherently the number of x and y points of the "fit" curve to match the ones of my spectra? I am thinking about a solution since a while with no success [}:)] I hope you can help me! [/quote]   Check here to include your profile signature. Check here to subscribe to this topic.