[SciPy-Dev] iirdesign fails with ftype='bessel'

[Pierre Haessig]

Le 04/12/2014 14:36, Sturla Molden a écrit :
> Looking at the code, it seems the problem is that there is no
> 'besselord' function. Cf. buttord, cheb1ord, cheb2ord, ellipord and the
> filter_dict. I am not sure if this is a deliberate omission or not.
It seems there is none in Matlab too 
http://www.mathworks.com/help/signal/ug/iir-filter-design.html

I'm not familiar enough with Bessel filters to know if order estimation 
is possible or not for this class.

best;
Pierre