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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 keltatenger[/i] [br]Hi all! I am seeking some help and suggestion in tangent fitting to a fitted curve. So the problem is that my experimental curve has an inflection point that I want to find. So I have fitted a Boltzmann curve to my point which was a very nice fitting and then I was able to predict the inflection point (x0 value). But when I use the tangent fitting tool my tangent is jumping up and down hugely due to the roughness of my experimental curve. Is there any way to fit the tangent to the fitted curve rather than the original one? If yes, how? OR is there any other solution for this problem? Thank you very much for sharing ideas. It is much appreciated. Andrea [/quote]   Check here to include your profile signature. Check here to subscribe to this topic.