Python | Numpy np.legroots() method

`np.legroots()` method is used to compute the roots of a legendre series.Return the roots of the polynomial.

Syntax : `np.legroots(c)`
Parameters:
c :[array_like] 1-D arrays of legendre series coefficients.

Return : [ndarray] Array of the roots of the series. If all the roots are real, then out is also real, otherwise it is complex.

Code #1 :

 `# Python program explaining ` `# numpy.legroots() method  ` `   `  `# importing numpy as np   ` `# and numpy.polynomial.legendre module as geek  ` `import` `numpy as np  ` `import` `numpy.polynomial.legendre as geek ` `   `  `# Input legendre series coefficients ` ` `  `s ``=` `(``2``, ``4``, ``8``)  ` `    `  `# using np.legroots() method  ` `res ``=` `geek.legroots(s)  ` ` `  `# Resulting legendre series coefficient ` `print` `(res)  `

Output:

```[-0.60762522  0.27429189]
```

Code #2 :

 `# Python program explaining ` `# numpy.legroot() method  ` `   `  `# importing numpy as np   ` `# and numpy.polynomial.legendre module as geek  ` `import` `numpy as np  ` `import` `numpy.polynomial.legendre as geek ` `   `  `# legendre series coefficients ` `s ``=` `(``1``, ``2``, ``3``, ``4``, ``5``)  ` ` `  `   `  `# using np.legroots() method  ` `res ``=` `geek.legroots(s)  ` ` `  `# Resulting legendre series ` `print` `(res)  `

Output:

```[-0.86884116 -0.48972874  0.21530729  0.68611975]

```

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