All Forums  Origin Forum  Origin Forum  Drawing envelope of a simusoidal function

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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 sbaruah25[/i] [br]Hi, I am new to Origin and would like to have some advice. I want to draw the outer envelope of a sinusoidal function whose amplitude also varies periodically. How can I draw the outer envelope and record the points it passes through? Also, if a prticle moves in circles with two frequencies (like the moon revolving around the earth and also around the sun) and I have its position at different times, then can I seperate the data corresponding to the two frequencies? I want to plot the radii of the two circles with respect to time seperately. Thanks for your suggestions. [/quote]   Check here to include your profile signature. Check here to subscribe to this topic.