Help with fitting linear equation

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Mirelys Llana
Mirelys Llana on 13 Nov 2015
Answered: Image Analyst on 13 Nov 2015
I need help with my HW pls, I have a data set and I have to fit a linear equation on a given data to identify the intercept and the slope

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Answers (4)

Sean de Wolski
Sean de Wolski on 13 Nov 2015
>>doc polyfit
Thorsten
Thorsten on 13 Nov 2015
help robustfit
the final exampel contains also a standard linear regression using "regress".
Star Strider
Star Strider on 13 Nov 2015
And a third option:
B = [ones(size(x(:))) x(:)]\y(:);
slope = B(2)
intercept = B(1)
Image Analyst
Image Analyst on 13 Nov 2015
See my attached polyfit demo that I have posted countless times.

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