# Python | Numpy np.hermsub() method

• Last Updated : 02 Dec, 2019

With the help of `np.hermsub()` method, we can subtract the one hermite series to another by using `np.hermsub()` method.

Syntax : `np.hermsub(series1, series2)`
Return : Return the coefficients after subtraction of series.

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

 `# import numpy and hermsub``import` `numpy as np``from` `numpy.polynomial.hermite ``import` `hermsub`` ` `series1 ``=` `np.array([``1``, ``2``, ``3``, ``4``, ``5``])``series2 ``=` `np.array([``6``, ``7``, ``8``, ``9``, ``10``])`` ` `# using np.hermsub() method``gfg ``=` `hermsub(series1, series2)`` ` `print``(gfg)`

Output :

[-5. -5. -5. -5. -5.]

Example #2 :

 `# import numpy and hermsub``import` `numpy as np``from` `numpy.polynomial.hermite ``import` `hermsub`` ` `series1 ``=` `np.array([``1``, ``0``, ``3``, ``0``, ``5``])``series2 ``=` `np.array([``0``, ``7``, ``0``, ``9``, ``0``])`` ` `# using np.hermsub() method``gfg ``=` `hermsub(series1, series2)`` ` `print``(gfg)`

Output :

[1. -7. 3. -9. 5.]

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