numpy.polynomial.chebyshev.Chebyshev.identity#

method

classmethod polynomial.chebyshev.Chebyshev.identity(domain=None, window=None)[source]#

Identity function.

If p is the returned series, then p(x) == x for all values of x.

Parameters
domain{None, array_like}, optional

If given, the array must be of the form [beg, end], where beg and end are the endpoints of the domain. If None is given then the class domain is used. The default is None.

window{None, array_like}, optional

If given, the resulting array must be if the form [beg, end], where beg and end are the endpoints of the window. If None is given then the class window is used. The default is None.

Returns
new_seriesseries

Series of representing the identity.

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