Deb N.1

class gob.benchmarks.deb.Deb

Bases: Benchmark

The Deb N.1 function.

\(f(x) = -\frac{1}{d}\sum_{i=1}^d \sin(5\pi x_i)^6\)

Its minimum is \(-1\).

expr(x)

The expression of the function.

Parameters:

x (array-like) – The point at which to evaluate the function.

Returns:

The value of the function at x.

Return type:

float