[Numpy-discussion] array comprehension
ndbecker2 at gmail.com
Fri Nov 4 09:36:02 EDT 2016
Francesc Alted wrote:
> 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
Does this generalize to >1 dimensions?
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