2016-11-04 13:06 GMT+01:00 Neal Becker <ndbecker2@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