![]() ![]() (I found that I sometimes had to click on some of the grey background of the settings window, near to the Min/Max numbers for them to be ‘set’.) Hit ‘ Fit Till Converged‘ and you’ll see that the fit now extends beyond the original data range. Under the x-data type you can change the ‘ Range‘ from ‘ Use Input Range‘ to ‘ Custom‘, which allows you to set the Max and Min range for the fit. To extend the plot range of the fitted function, you need to select the ‘ Fitted Curves‘ options on the ‘ Settings‘ tab. ![]() In my case I have some data showing cooling over time, which I’ll fit with a simple falling exponential, via the non-linear curve fitting tool. ![]() The first stage is to select your fit function as you would do normally. Origin makes it easy to fit to your data, but how to extend the fit beyond the range of the original data isn’t obvious.įollow the steps below to find out how. In this post I show you how to extend the plot range of the fitted function in Origin, beyond that of your initial data. ![]()
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