W3cubDocs

/NumPy 1.17

numpy.poly1d.r

attribute

poly1d.r

The roots of the polynomial, where self(x) == 0

© 2005–2019 NumPy Developers
Licensed under the 3-clause BSD License.
https://docs.scipy.org/doc/numpy-1.17.0/reference/generated/numpy.poly1d.r.html