how to use curve fitting without using curve fitting toolbox?

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zein
zein 2021-3-3
评论： zein 2021-3-3
I want to use curve fitting tool in the matlab script without opening the curve fitting toolbox.
I have a data (x,u) and i want to use fiiting in the matlab m.file. I used interplant with linear method as indicated in the following image.
how can i write the code in the M file to do the same done using cftool?
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Matt J
Matt J 2021-3-3
编辑：Matt J 2021-3-3
I want to use curve fitting tool in the matlab script without opening the curve fitting toolbox.
Note that there is a difference between opening cftool and "opening the curve fitting toolbox". cftool is just a particular app within the toolbox.

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KSSV
KSSV 2021-3-3

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