16.6: Interactive Fitting Tools
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If you aren’t sure about the fit you want, you can use the interactive fitting tools. We start again by closing any figure windows, clearing out the variables and clearing the Command Window. A short cut to do this could be:
>> close all,clear,clc
Re-enter the data.
On the figure screen, go to the menu item Tools > Basic Fitting. This will launch a new window:
Now you simply have to select the polynomial(s) that you want to fit (try a few!). You can even see the corresponding equations (and more) using the big arrow button . If we select the “linear” and “5th degree polynomial” check boxes, and the “Show equations” check box, we will see the equations on the graph itself.