scipy.special.eval_chebys¶
-
scipy.special.
eval_chebys
(n, x, out=None) = <ufunc 'eval_chebys'>¶ Evaluate Chebyshev polynomial of the second kind on [-2, 2] at a point.
These polynomials are defined as
\[S_n(x) = U_n(x/2)\]where \(U_n\) is a Chebyshev polynomial of the second kind.
- Parameters
- narray_like
Degree of the polynomial. If not an integer, the result is determined via the relation to
eval_chebyu
.- xarray_like
Points at which to evaluate the Chebyshev polynomial
- Returns
- Sndarray
Values of the Chebyshev polynomial
See also
roots_chebys
roots and quadrature weights of Chebyshev polynomials of the second kind on [-2, 2]
chebys
Chebyshev polynomial object
eval_chebyu
evaluate Chebyshev polynomials of the second kind