Python | Numpy np.polyone() method Last Updated : 31 Dec, 2019 Improve Improve Like Article Like Save Share Report np.polyone() method can be used instead of np.ones for creating a array whose elements are 1. Syntax : np.polyone() Return : Return array([1]) Example #1 : # Python program explaining # numpy.polyone() method # import numpy and polyone import numpy as np from numpy.polynomial.polynomial import polyone # using np.polyone() method ans = polyone print(ans) Output : [1] Example #2 : # Python program explaining # numpy.polyone() method # import numpy and polyone import numpy as np from numpy.polynomial.polynomial import polyone # using np.polyone() method ans = polyone + [[1, 3, 5], [2, 4, 6]] print(ans) Output : [[2 4 6] [3 5 7]] Like Article Suggest improvement Next Python | Numpy np.polyzero() method Share your thoughts in the comments Add Your Comment Please Login to comment...