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I am using a function X , that takes np.ndarray, shape=(num_pairs, 2), dtype=int values . I have just a list l=[a,b] and I want to give this list to the above function X as input.

I get the error as * l must be ndim 2. You supplied 1 *

Is there any way around to submit this list to the function ?

Hai Vu
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A. wadhawan
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1 Answers1

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See this answer.

>>> import numpy as np
>>> l = np.array([1,2])
>>> l
array([1, 2])
>>> l.shape
(2,)
>>> l.ndim
1
>>> l[None, :].shape
(1, 2)
>>> l[None, :].ndim
2
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wildwilhelm
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  • If all you have is a reference to another answer, please vote to close the question as a duplicate of that one. – TigerhawkT3 Oct 27 '16 at 14:26