[SciPy-user] scipy code contribution question

Robert Kern robert.kern@gmail....
Sun Jul 15 16:35:09 CDT 2007


Lev Givon wrote:
> Received from Lev Givon on Wed, Jul 04, 2007 at 08:14:21PM EDT:
> 
> (snip)
>  
>> Insofar as the item that prompted my first message is concerned, I
>> desire a filter design function similar to others currently
>> available in scipy to facilitate the construction of FIR filters
>> with the Remez algorithm (i.e., something similar to the remezord or
>> firpmord functions in Matlab) given some typical design parameters
>> (e.g., band cutoff frequencies, ripple constraints, etc.). As the
>> relevant algorithms needed by such a filter design function are not
>> overly complicated, I could look them up an appropriate DSP text or
>> paper and try implementing them completely from scratch (unless some
>> generous soul reading this list has already done so :-)
>>
>>    	       	   	    		     	  L.G.
> 
> I finished implementing and testing the aforementioned filter design
> algorithms. May I add the code directly to Lib/signal/filter_design.py
> (where similar functions are defined)? Or can I create my own corner
> in the sandbox and put the functions in there for folks to examine and
> test before they are moved into the aforementioned file?

To clarify, did you implement them from scratch, or did you use the Matlab
source? The final location should be filter_design.py, but please submit it in
the form of a patch to the Trac. Thanks.

-- 
Robert Kern

"I have come to believe that the whole world is an enigma, a harmless enigma
 that is made terrible by our own mad attempt to interpret it as though it had
 an underlying truth."
  -- Umberto Eco


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