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T O P I C R E V I E W
Blackbird	Posted - 10/19/2005 : 4:15:56 PM Origin 7.0G (Select Help-->About Origin): Operating System: WinXp Hello, i have a problem to understand how i use the fitting functions under origin c. I have a some curves in a graphik window an its data in a worksheet. Now i want to make an exponential fit over all of this curves. I could not understand the whole system how i can do this. With labtalk i could make one fit for one curve but not with origin C and not with more then one Curve. the code for the plotting of the curves is: for (i=0; i < 10; i++) { Curve crvData(wksData,value[i]); int nPlot = grphLayer.AddPlot(crvData,IDM_PLOT_LINE); } I hope you can understand what my problem is :(... sry for my bad english... Many Thanx Matthias Vierling
1 L A T E S T R E P L I E S (Newest First)
Mike Buess	Posted - 10/20/2005 : 07:34:16 AM Use the free Multifit tool on the FileExchange to fit multiple curves in the same worksheet... http://www.originlab.com/fileexchange/details.aspx?fid=56 If you still want to write your own routines you can refer to Multifit.c for tips on using NLSF in Origin C. Mike Buess Origin WebRing Member

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