Fit a sigmoid function to data

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Alexandra Tzilivaki 2016-4-19

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https://ww2.mathworks.cn/matlabcentral/answers/279817-fit-a-sigmoid-function-to-data

评论： John D'Errico 2016-4-19

Hello everyone! Please i need your feedback! I would like to fit a sigmoid function to my data and calculate the best coefficients for that equation. How can i write it?

Many thanks in advance!

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John D'Errico 2016-4-19

Use the curvefitting toolbox. Or the optimization toolbox. Or the stats toolbox. Take your pick. Or you can use fminsearch, or one of MANY tools on the file exchange.

There are MANY examples in those toolboxes of how to do a curve fit. (especially the curvefitting toolbox.) READ THE EXAMPLES.

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