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Printing large NumPy arrays without truncation

schedule Aug 11, 2023
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Suppose we have a large Numpy array like follows:

np.arange(5000)
array([ 0, 1, 2, ..., 4997, 4998, 4999])

As we can see, Numpy truncates large arrays when printing by default.

Using the set_printoptions method

In order to print the array in its entirety, we must configure Numpy like follows:

import sys
np.set_printoptions(threshold=sys.maxsize)

Now, when we print our large array again, we will see all its numbers:

np.arange(5000)
** You'll see all the numbers printed here **

Using the printoptions method

For those who are using NumPy 1.15 or above, you could also use the printoptions(~) method like follows:

with np.printoptions(threshold=np.inf):
print(np.arange(5000))
** You'll see all the numbers printed here **
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Published by Isshin Inada
Edited by 0 others
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