Numpy, Python Programming, Data Analysis, Numerical Analysis, Data Science.
array np.sqrt(arr) Array Aggregation arr.sum() # returns the sum of all elements in the array arr.sum(axis=0) # returns the sum of the elements along the specified axis (0 for columns, 1 for rows) arr.mean() # returns the mean of all elements in the array arr.mean(axis=1) # returns the mean of the