Help with fitting linear equation

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Mirelys Llana
Mirelys Llana 2015-11-13
回答： Image Analyst 2015-11-13
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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回答（4 个）

Sean de Wolski
Sean de Wolski 2015-11-13
>>doc polyfit
Thorsten
Thorsten 2015-11-13
help robustfit
the final exampel contains also a standard linear regression using "regress".
Star Strider
Star Strider 2015-11-13
And a third option:
B = [ones(size(x(:))) x(:)]\y(:);
slope = B(2)
intercept = B(1)
Image Analyst
Image Analyst 2015-11-13
See my attached polyfit demo that I have posted countless times.

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