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Linear trend line of the given data points

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Brahmananda Pramanik 2011-6-28

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https://ww2.mathworks.cn/matlabcentral/answers/10452-linear-trend-line-of-the-given-data-points

I need to get the equation of the linear trend line of the given data points, when intercept is set to zero and I need R-squared value as well.

All these, I can get using MS-Excel. But I need to get all these information being in MATLAB function.

Please help me.

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回答（1 个）

Rick Rosson 2011-6-28

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https://ww2.mathworks.cn/matlabcentral/answers/10452-linear-trend-line-of-the-given-data-points#answer_14387

在 MATLAB Online 中打开

Please try the function polyfit:

doc polyfit

HTH.

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