Using experimental database in Matlab for interpolation

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theintern 2017-10-12

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评论： KL 2017-10-13

Hello, I would like to use an experimental contour plot data in my code for interpolation? I just have picture of this plot. Is there any possibility that I can use this data by using interp2 or something else?

Thank you!

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KL 2017-10-12

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Use GRABIT maybe.

https://www.mathworks.com/matlabcentral/fileexchange/7173-grabit

But you'll have to pick the data points manually.

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KL 2017-10-12

编辑：KL 2017-10-12

Alright. I'd suggest to use GRABIT first to extract a data matrix and then use interp2 to interpolate more data points and then plot it using contour command.

theintern 2017-10-12