Python | Numpy np.hermecompanion() method Last Updated : 11 Dec, 2019 Comments Improve Suggest changes Like Article Like Report With the help of np.hermecompanion() method, we can get the companion matrix of hermiteE series by using np.hermecompanion() method. Syntax : np.hermecompanion(series) Return : Return the companion matrix. Example #1 : In this example we can see that by using np.hermecompanion() method, we are able to get the companion matrix from hermiteE series by using this method. Python3 1== # import numpy and hermecompanion import numpy as np from numpy.polynomial.hermite_e import hermecompanion series = np.array([6, 7, 8, 9, 10]) # using np.hermecompanion() method gfg = hermecompanion(series) print(gfg) Output : [[ 0. 1. 0. -0.24494897] [ 1. 0. 1.41421356 -0.2857738 ] [ 0. 1.41421356 0. 1.27017059] [ 0. 0. 1.73205081 -0.9 ]] Example #2 : Python3 1== # import numpy and hermecompanion import numpy as np from numpy.polynomial.hermite_e import hermecompanion series = np.array([1, 2, 3, 4, 5]) # using np.hermecompanion() method gfg = hermecompanion(series) print(gfg) Output : [[ 0. 1. 0. -0.08164966] [ 1. 0. 1.41421356 -0.16329932] [ 0. 1.41421356 0. 1.38564065] [ 0. 0. 1.73205081 -0.8 ]] Comment More infoAdvertise with us Next Article Python Introduction J jitender_1998 Follow Improve Article Tags : Python Python-numpy Python numpy-Mathematical Function Practice Tags : python Similar Reads Python Tutorial - Learn Python Programming Language Python is one of the most popular programming languages. 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