Python, Machine Learning, Numpy, Matplotlib.
axis=0) row_sum = np.sum(X, axis=1) print("Matrix X: \n") print(X) print("\n Sum over all elements of X: \n") print(total_sum) print("\n Column-wise sum of X: \n") print(column_sum) print("\n Row-wise sum of X: \n") print(row_sum) Image from author # Matrix reshaping X = np.arange(16) # makes a