Le 05/11/2015 19:00, Bruce Johnson a écrit : > > Issue MATH-1009 was closed as resolved in version 3.3. > > The issue raised was about the fact that the PolynomialFitter (now > PolynomialCurveFitter) does the curve fit with non-linear regression > (and requires initial guess and number of iterations). > > I can’t think of any reason why a polynomial curve fit (with a least > squares target) should be done this way instead of doing it with a > linear method (like QR or SVD) and I don’t know of any other math > package that does polynomial fits this way. > > I’m not a numerical methods expert, so maybe I’m wrong, but it seems > that this really should be resolved before the release of Math 4.0 > (or even 3.6). > > Should MATH-1009 be reopened, or should I create a new issue (which > will just be a copy of 1009 changed to refer to > PolynomialCurveFitter).
Yes, a new issue would be better. best regards, Luc > > Bruce > > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: dev-unsubscr...@commons.apache.org > For additional commands, e-mail: dev-h...@commons.apache.org > > > --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@commons.apache.org For additional commands, e-mail: dev-h...@commons.apache.org
