The polyfit function is a function used in curve fitting in matlab. Its mathematical basis is the principle of least-squares curve fitting. Curve fitting: Known data sets at discrete points, known as function values on the point set, construct an analytical function (the graph is a curve) so that the original discrete point is as close as possible to a given value.

Filename	Size	Update
lsqcurvefit1.m	1168	2018-03-11
Untitled8.m	836	2018-03-12

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