[Numpy-discussion] array comprehension

Francesc Alted faltet at gmail.com
Fri Nov 4 08:26:10 EDT 2016

2016-11-04 13:06 GMT+01:00 Neal Becker <ndbecker2 at gmail.com>:

> I find I often write:
> np.array ([some list comprehension])
> mainly because list comprehensions are just so sweet.
> But I imagine this isn't particularly efficient.

Right.  Using a generator and np.fromiter() will avoid the creation of the
intermediate list.  Something like:

np.fromiter((i for i in range(x)))  # use xrange for Python 2

> I wonder if numpy has a "better" way, and if not, maybe it would be a nice
> addition?
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Francesc Alted
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