[julia-users] Remez algorithm

2014-06-17 Thread Hans W Borchers
*Is there an implementation of the Remez algorithm in Julia,or is someone working on this?* Sometimes it is important to have a (polynomial) *minmax approximation* to a curve or function (on a finite interval), i.e., an approximating polynomial of a certain maximum degree such that the

Re: [julia-users] Remez algorithm

2014-06-17 Thread João Felipe Santos
I wanted to do this for DSP.jl as this is used for filter design, but all opensource implementations I could find to use as a reference just wrapped the same old piece of Fortran code or a low-level translation of it to C (this is the case in Scipy). As I am not terribly familiar with the

Re: [julia-users] Remez algorithm

2014-06-17 Thread Jay Kickliter
João, I found the same code https://github.com/scipy/scipy/blob/master/scipy/signal/sigtoolsmodule.c#L229-L531 a few days ago, hoping it would give me a good starting point for a Julia implementation. But I understand it at all. A blind port wouldn't be feasible either considering all those