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MATLAB:用fittype在曲线拟合工具箱中的分段函数。

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Ignore the red fitted curve first. I'd like to get a curve to the blue datapoints. I know the first part (up to y~200 in this case) is linear, then a different curve (combination of two logarithmic curves but could also be approximated differently) and then it saturates at about 250 or 255. I tried it like this:Ignore the red fitted curve first. I'd like to




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