All Forums  Origin Forum  Origin Forum  developing a relation from fitting points

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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 kmohamad[/i] [br]Hi All I need a little help with something. I have a variable, let's call it y, and this variable is a function of 4 main parameters. So I drew y against one of them, let's call it X1, and found that for all points, it satisfied this equation y = y0 + A*exp(R0*X1) at fixed X2, X3 and X4. So if I change X2,X3,X4 the fits remain perfect but values of A,y0 and R0 changes completely [b]So how to get y0,A, and R0 function of X2,X3and X4?[/b] using origin software Khaled Mohamad [/quote]   Check here to include your profile signature. Check here to subscribe to this topic.