How can i calculate error (sse) between 2 curves in one figure?

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Deniz 2013-11-8

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https://ww2.mathworks.cn/matlabcentral/answers/105387-how-can-i-calculate-error-sse-between-2-curves-in-one-figure

评论： dpb 2013-11-8

Hi, I saved a plot V60abX1ohneGrid.fig. I have some x and y data. I plot the x and y data into V60abX1ohneGrid.fig like this:

x; y; fig1=openfig('V60abX1ohneGrid.fig'); plot(gca,x,y)

So i get this plot

Can someone tell me how i get the error (maybe SSE) between the 2 curves?

Thanks

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Deniz 2013-11-8

编辑：Deniz 2013-11-8

Thank you for your time. Yes as you said the thick line comes from a fit to the data points (saved figure). The thin line comes from x and y data. I plottet the x and y data into the saved figure of the curvefit. now i wanted the difference or the space or error between the thick line and the thin line.