[SciPy-User] Orthogonal polynomials on the unit circle

[David Warde-Farley]

On Fri, Oct 26, 2012 at 9:40 PM,  <josef.pktd at gmail.com> wrote:
> http://en.wikipedia.org/wiki/Orthogonal_polynomials_on_the_unit_circle
> with link to handbook
>
> application: goodness of fit for circular data
> http://onlinelibrary.wiley.com/doi/10.1111/j.1467-842X.2009.00558.x/abstract
>
> Are those available anywhere in python land?
>
> What's the difference between orthogonal polynomials on the unit
> circle and periodic polynomials like Fourier series?
>
> Josef
> circular statistics - what's that?
> It's like TDD, you go in circles

I have some code somewhere for Zernike polynomials if you're
interested. I was using them for rotation-invariant feature
extraction.