# hennig2d¶

The two-dimensional hennig function integrated wrt the Lebesgue measure. 1

The integrand is

$f(x) = e^{-x^{\intercal}c x -\sin(3\|x\|^2)}$

on the domain $$\Omega=[-3, 3]^2$$. Above, $$c$$ is the c parameter.

Parameters

c (Optional[ndarray]) – A positive definite matrix of shape (2, 2). Defaults to [[1, .5], [.5, 1]].

Returns