How can I find the coeficients alpha, beta of the simple linear regression, using polyfit function?

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Ihor
Ihor on 10 Dec 2022
Answered: Torsten on 10 Dec 2022
How can I find the coeficients alpha, beta for the X coordinates of the simple linear regression, using polyfit function?

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Accepted Answer

Torsten
Torsten on 10 Dec 2022
Ran in:
x = (0:0.1:1).';
y = 3*x + 4 + 0.01*randn(numel(x),1);
polyfit(x,y,1)
ans = 1×2
2.9778 4.0097

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