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# Python | Numpy np.poly2herm() method

• Last Updated : 02 Dec, 2019

With the help of `np.poly2herm()` method, we can get the hermite series coefficient from polynomial by using `np.poly2herm()` method.

Syntax : `np.poly2herm(polynomial)`
Return : Return the coefficient of hermite series.

Example #1 :
In this example we can see that by using `np.poly2herm()` method, we are able to get the coefficients of hermite series from polynomial using this method.

 `# import numpy and poly2herm``import` `numpy as np``from` `numpy.polynomial.hermite ``import` `poly2herm`` ` `x ``=` `np.array([``0.1``, ``0.2``, ``0.3``, ``0.4``, ``0.5``])``# using np.poly2herm() method``gfg ``=` `poly2herm(x)`` ` `print``(gfg)`

Output :

[0.625 0.4 0.45 0.05 0.03125]

Example #2 :

 `# import numpy and poly2herm``import` `numpy as np``from` `numpy.polynomial.hermite ``import` `poly2herm`` ` `x ``=` `np.array([``-``0.5``, ``-``0.4``, ``-``0.3``, ``-``0.2``, ``-``0.1``, ``0``, ``0.1``, ``0.2``, ``0.3``, ``0.4``, ``0.5``])``# using np.poly2herm() method``gfg ``=` `poly2herm(x)`` ` `print``(gfg)`

Output :

[1.61968750e+01 1.27750000e+01 4.09828125e+01 8.50625000e+00
1.33296875e+01 1.24687500e+00 1.29765625e+00 5.78125000e-02
4.51171875e-02 7.81250000e-04 4.88281250e-04]

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