How to know which plot is more linear then the other?

Quincy asked: 2020-12-28 matlab , plot , phase

Struggling to determine linearity in your plots? This MATLAB resource offers expert guidance on comparing plot linearity. Learn techniques & improve your data a

Expert Answer

Kshitij Singh answered . 2025-07-29 20:43:19

You can see the residual error with linear fit to see which dataset is more linear

[~, eA] = polyfit(1:numel(A), A, 1)
[~, eB] = polyfit(1:numel(B), B, 1)

Result

>> eA.normr
ans =
    4.0713
>> eB.normr
ans =
    2.8868

Vector 'B' is more linear as compared to A.

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