Created
October 10, 2014 17:56
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NumPy array truthiness
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| >>> import numpy as np | |
| >>> bool(np.array([])) | |
| False | |
| >>> bool(np.array([1])) | |
| True | |
| >>> bool(np.array([0])) | |
| False | |
| >>> bool(np.array([0,0])) | |
| Traceback (most recent call last): | |
| File "<stdin>", line 1, in <module> | |
| ValueError: The truth value of an array with more than one element is ambiguous. Use a.any() or a.all() |
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