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• 05:39, 7 December 2025 Inthar talk contribs created page Least-squares linear error (Created page with "<adv>{{adv|Least-squares linear error (here ''linear'' means "in frequency space, not pitch space") is the most naive error measure for approximations to delta-rational chords. Like any other numerical measure of concordance, you should take it with a grain of salt. The idea motivating least-squares error on a chord as an approximation to a given delta signature is the following: Say we want the error of a chord 1:''r''₁:''r''₂:...:''r''<sub>''...")