initialize a numpy array
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Curious2learn
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Published on 2010-12-26T20:52:45Z
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2010/12/26
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Is there way to initialize a numpy array of a shape and add to it? I will explain what I need with a list example. If I want to create a list of objects generated in a loop, I can do:
a = []
for i in range(5):
a.append(i)
I want to do something similar with a numpy array. I know about vstack, concatenate etc. However, it seems these require two numpy arrays as inputs. What I need is:
big_array # Initially empty. This is where I don't know what to specify
for i in range(5):
array i of shape = (2,4) created.
add to big_array
The big_array should have a shape (10,4). How to do this? Thanks for your help.
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