Function holder_table

python_examples/global_optimization.py:35–36

(x0,x1)

# It has a bunch of local minima, with the global minimum resulting in
# holder_table()==-19.2085025679. 
def holder_table(x0,x1):
    return -abs(sin(x0)*cos(x1)*exp(abs(1-sqrt(x0*x0+x1*x1)/pi)))

# Find the optimal inputs to holder_table().  The print statements that follow
# show that find_min_global() finds the optimal settings to high precision.