#Python import numpy as np np.arange(0,6) # array([0, 1, 2, 3, 4, 5]) np.arange(0,6)[:, np.newaxis] # array([[0], # [1], # [2], # [3], # [4], # [5]]) np.arange(0,6) + np.arange(0,6)[:, npnewaxis] #array([[ 0, 1, 2, 3, 4, 5], # [10, 11, 12, 13, 14, 15], # [20, 21, 22, 23, 24, 25], # [30, 31, 32, 33, 34, 35], # [40, 41, 42, 43, 44, 45], # [50, 51, 52, 53, 54, 55]])