All Forums  Origin Forum for Programming  LabTalk Forum  Integrating spectrum from a non fixed point

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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 metroid02[/i] [br]Dear Origin Team, I am currently stumped and need some assistance. I am trying to integrate a signal from the lowest point of the plot to an arbitrary distant point. [img]http://www.originlab.com/ftp/forum_and_kbase/Images/MB_spark1.PNG[/img] So for instance take a look at the 100ns (red) plot. I want to find a way to calculate the minimum value for the large dip right around 200ns x value. I want to then use that corresponding x value and integrate all the way to 1200 (basically the rest of the signal). I want to do this process for all the different lines (100-600ns). The problem is that I dont know how to accurately: a) calculate that minimum point b) define the range for the integration. I have an idea of doing the same integration, but for a maximum to the left of the dip. This way I wouldnt lose some of the signal. Also, with regards to b: I realize that I can manually drag/define the limits with the cursor, but I would prefer to simply input the "min" value into the range. Thanks for any help/support you can give me. [/quote]   Check here to include your profile signature. Check here to subscribe to this topic.