Function argmin_testfunctions::holder_table_derivative

source · 
pub fn holder_table_derivative<T>(param: &[T; 2]) -> [T; 2]
where
    T: Float + FromPrimitive,
Expand description

Derivative of the Holder table test function

This function has a discontinuity at sqrt(x_1^2+x_2^2) = PI, and hence can return NaN.