Re: [PD] OT : using libre office for data regression; WAS Re: efficient approximation of trig functions for hi pass formula (was: could vanilla borrow iemlib's hi pass filter recipe?)

2016-10-20 Thread cyrille henry
Le 20/10/2016 à 01:07, katja a écrit : [...] For the filter recipe the curve must go through coordinates [0 1] and [pi -1], to get the expected behavior when cutoff frequency is set to DC or Nyquist. [hip~ 0] should not block DC, which is only possible when the coefficient is exactly 1 like

Re: [PD] OT : using libre office for data regression; WAS Re: efficient approximation of trig functions for hi pass formula (was: could vanilla borrow iemlib's hi pass filter recipe?)

2016-10-19 Thread katja
On Wed, Oct 19, 2016 at 6:32 PM, cyrille henry wrote: > > > Le 19/10/2016 à 17:34, katja a écrit : >> >> Thanks for your update Cyrille. This seems a useful approach to find >> approximations. I should really learn how to do that with libre >> office. Do you have tutorial links?

[PD] OT : using libre office for data regression; WAS Re: efficient approximation of trig functions for hi pass formula (was: could vanilla borrow iemlib's hi pass filter recipe?)

2016-10-19 Thread cyrille henry
Le 19/10/2016 à 17:34, katja a écrit : Thanks for your update Cyrille. This seems a useful approach to find approximations. I should really learn how to do that with libre office. Do you have tutorial links? So far I found this: