# Python | Numpy np.hermedomain() method

• Last Updated : 11 Dec, 2019

With the help of `np.hermedomain()` method, we can get the filter having value array([-1, 1]) in hermiteE series by using `np.hermedomain()` method.

Syntax : `np.hermedomain`
Return : Return filter of array([-1, 1])

Example #1 :
In this example we can see that by using `np.hermedomain()` method, we are able to get the filter of an array([-1, 1]) in hermiteE series by using this method.

 `# import numpy and hermedomain``import` `numpy as np``from` `numpy.polynomial.hermite_e ``import` `hermedomain`` ` `# using np.hermedomain() method``for` `i ``in` `range``(``5``):``    ``gfg ``=` `hermedomain ``+` `[i, i ``+` `1``]``    ``print``(gfg)`

Output :

[-1 2]
[0 3]
[1 4]
[2 5]
[3 6]

Example #2 :

 `# import numpy and hermedomain``import` `numpy as np``from` `numpy.polynomial.hermite_e ``import` `hermedomain`` ` `# using np.hermedomain() method``for` `i ``in` `range``(``5``):``    ``gfg ``=` `hermedomain ``+` `[i``-``1``, i ``+` `1``]``    ``print``(gfg)`

Output :

[-2 2]
[-1 3]
[0 4]
[1 5]
[2 6]

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