bundles / scipy 1.17.1 / scipy / special / _orthogonal / _initial_nodes_a
function
scipy.special._orthogonal:_initial_nodes_a
Signature
def _initial_nodes_a ( n , k ) Summary
Tricomi initial guesses
Extended Summary
Computes an initial approximation to the square of the k-th (positive) root of the Hermite polynomial of order . The formula is the one from lemma 3.1 in the original paper. The guesses are accurate except in the region near .
Parameters
n: intQuadrature order
k: ndarray of type intIndex of roots to compute
Returns
xksq: ndarraySquare of the approximate roots
See also
- initial_nodes
- roots_hermite_asy
Aliases
-
scipy.special._orthogonal._initial_nodes_a