counting unique numpy subarrays

[duncan smith]

On 04/12/15 22:36, Albert-Jan Roskam wrote:
> Hi
> 
> (Sorry for topposting)
> 
> numpy.ravel is faster than numpy.flatten (no copy)
> numpy.empty is faster than numpy.zeros
> numpy.fromiter might be useful to avoid the loop (just a hunch)
> 
> Albert-Jan
> 

Thanks, I'd forgotten the difference between numpy. flatten and
numpy.ravel. I wasn't even aware of numpy.empty.

Duncan