That depends on weather one uses the Polynomial or Polynomials package. I use the latter (which has in fact superseded the former). The main difference is the ordering of the coefficients.
On Monday, February 2, 2015 at 5:59:45 PM UTC+1, Jiahao Chen wrote: > > This code computes the coefficient of the leading order term, not the > value of the polynomial. > > Thanks, > > Jiahao Chen > Staff Research Scientist > MIT Computer Science and Artificial Intelligence Laboratory > > On Mon, Feb 2, 2015 at 11:43 AM, Andrei Berceanu <andreib...@gmail.com > <javascript:>> wrote: > >> I came up with this, so far >> >> >> >> >> >> >> >> >> >> *function compute_hermite_polynomial(n) P = Poly([1]) const x = >> Poly([0; >> 1]) >> >> for i = 1:n P = 2x*P - polyder(P) end Pend* >> >> On Monday, February 2, 2015 at 5:24:21 PM UTC+1, Andrei Berceanu wrote: >>> >>> Andras, no worries :) Now I understand why I couldn't find the >>> polynomials in your gist! >>> >>> //A >>> >>> On Monday, February 2, 2015 at 5:19:49 PM UTC+1, Andras Niedermayer >>> wrote: >>>> >>>> Sorry, I meant Cubic Hermite Interpolation. Now I see you're looking >>>> for Hermite polynomials. >>>> >>>> On Monday, February 2, 2015 at 4:50:00 PM UTC+1, Andras Niedermayer >>>> wrote: >>>>> >>>>> I was looking for Hermite polynomials and haven't found any code. I >>>>> have some (very unpolished) code. >>>>> >>>>> I haven't made a public package yet, since it needs to be improved >>>>> (especially in terms of efficiency, also documentation). Unfortunately, >>>>> I'm >>>>> unlikely to have time for this in the near future, so I'll just post a >>>>> link >>>>> to a gist: >>>>> https://gist.github.com/afniedermayer/57873094430e8ddb201c >>>>> >>>>> I mainly used it with the output of the ODE.jl. >>>>> >>>>> I hope this is a useful starting point... >>>>> >>>>> Best, >>>>> Andras >>>>> >>>>> On Monday, February 2, 2015 at 4:38:57 PM UTC+1, Andrei Berceanu wrote: >>>>>> >>>>>> Yes, exactly, in order to generate plots like >>>>>> http://en.wikipedia.org/wiki/Hermite_polynomials# >>>>>> mediaviewer/File:Hermite_poly_phys.svg >>>>>> >>>>>> //A >>>>>> >>>>>> On Monday, February 2, 2015 at 4:36:55 PM UTC+1, Jiahao Chen wrote: >>>>>>> >>>>>>> >>>>>>> > Is there an easy way to compute Hn(x)? >>>>>>> >>>>>>> Do you mean to evaluate a given Hermite polynomial of order n at a >>>>>>> value x? >>>>>>> >>>>>> >
