How to find the uncertainty in coefficients estimated from polyfit
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I have fitted one degree polynomial(y=mx+c) to my data using polyfit command of matlab . I want to find the uncertainty in the slope and intercept, how to do that ???
I have used [y,delta] = polyval(p,x,S) but here delta gives for uncertainty for every data point not the uncertainty in slope or intercept. Cab some one help in this regard..I got stuck in between my analysis..please help
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