Size of a function handle is not equal to YDATA

Question

Erik Vabo Vatsvaag 2018-10-30

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https://ww2.mathworks.cn/matlabcentral/answers/426936-size-of-a-function-handle-is-not-equal-to-ydata

评论： madhan ravi 2018-10-30

Hello, I declare a function and when I try to use the lsqcurvefit to this function the size is not correct. I get the error message "Function value and YDATA sizes are not equal". The size of the YDATA is [1 2049], the size of one of the parameters in the function is the same and the other parameter in the function is a scalar. Why does the size of the function change?

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Answer 1

Star Strider 2018-10-30

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The most likely reason is that the data you are fitting are a row (column) vector, and the function is returning a column (row) vector, or other size discrepancies.