I'm really curious why shape is an attribute of arrays and a function in the numpy model but not a method of array objects. Is there an obvious ... ... <看更多>

NumPy has fast built-in aggregation functions for working on arrays; ... and np.sum is aware of multiple array dimensions, as we will see in the following ... ... <看更多>

Data manipulation in Python is nearly synonymous with NumPy array manipulation: even newer ... x1 = np.random.randint(10, size=6) # One-dimensional array ... <看更多>

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I am currently noticed a 10x performance discrepancy when transitioning from using a SQL Sever to using a Oracle Database with the almost ... ... <看更多>

Im going to hazard a guess that your problem is u**(N-i) . Large exponents are notoriously poor performers, I would first look to ... ... <看更多>