[Numpy-discussion] Simple problem. Is it possible without a loop?

Robert Elsner mlist at re-factory.de
Wed Jun 9 04:11:33 EDT 2010


Hah beat you to it one minute ;)

Am Mittwoch, den 09.06.2010, 10:08 +0200 schrieb Francesc Alted:
> A Wednesday 09 June 2010 10:00:50 V. Armando Solé escrigué:
> > Well, this seems to be quite close to what I need
> > 
> > y = numpy.cumsum((x[1:]-x[:-1])/delta).astype(numpy.int)
> > i1 = numpy.nonzero(y[1:] > y[:-1])
> > y = numpy.take(x, i1)
> 
> Perhaps this is a bit shorter:
> 
> y = x[(x[1:] - x[:-1]) >= delta]
> 





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