Zakharov¶
- class gob.benchmarks.zakharov.Zakharov¶
Bases:
BenchmarkThe Zakharov function.
\(f(x) = \sum_{i=1}^d x_i^2 + \left(\sum_{i=1}^d \frac{1}{2} i x_i\right)^2 + \left(\sum_{i=1}^d \frac{1}{2} i x_i\right)^4\).
Its minimum is \(0\) achieved at \(x = 0\).
- 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