On Sun, May 20, 2012 at 9:41 AM, Charles R Harris <charlesr.har...@gmail.com > wrote:
> > > On Sun, May 20, 2012 at 9:37 AM, Charles R Harris < > charlesr.har...@gmail.com> wrote: > >> >> >> On Sun, May 20, 2012 at 9:09 AM, Andreas Hilboll <li...@hilboll.de>wrote: >> >>> Hi, >>> >>> I just noticed that there's two polyfit functions, one in >>> numpy.lib.polynomial, and one in numpy.polynomial. What's the reason for >>> this? The calling signatures aren't identical (the numpy.polynomial >>> version supports weights), and I couldn't find a notice on why two >>> versions exist. >>> >>> >> There are two different polynomial objects, Polynomial and poly1d. The >> Polynomial object is part of a newer group that also contains Lengendre, >> Chebyshev, etc., and doesn't have some of the problems that poly1d has. >> Poly1d is an older implementation. >> > > Oh, and the polyfit function in polynomial.polynomial isn't meant to be > used directly, it is mostly there to support the fit class function of > Polynomial. See the documentation here<http://preview.tinyurl.com/8289gfs> > . > > Better link here <http://tinyurl.com/8289gfs>. Chuck
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