Robert Kern wrote:
> George Sakkis wrote:
> > Is there a way to handle numeric (or numarray or numpy) arrays as sets
> > and compute efficiently their intersection, union, etc. ? I hope there
> > is a faster way than s = array(set(A) & set(B)). Can this be done with
> > masked arrays maybe ? I've never used them though and browsing through
> > the docs didn't make clear if it is possible.
>> You'll probably want to ask such questions on the numpy list:
>>http://www.scipy.org/Mailing_Lists>> Robert Cimrman has implemented a number of set operations based on sorting.
>>http://svn.scipy.org/svn/scipy/trunk/Lib/sandbox/arraysetops/arraysetops.py
Thank you so much, these fit the bill perfectly !
George