for testing and deploying your application
for finding and fixing issues
for empowering human code reviews
"""Implementation of Ackley function."""
import math
__all__ = ['Ackley']
class Ackley(object):
def __init__(self, Lower=-100, Upper=100):
self.Lower = Lower
self.Upper = Upper
@classmethod
def function(cls):
def evaluate(D, sol):
a = 20 # Recommended variable value
b = 0.2 # Recommended variable value
c = 2 * math.pi # Recommended variable value
val = 0.0
val1 = 0.0
val2 = 0.0
for i in range(D):
val1 += math.pow(sol[i], 2)
val2 += math.cos(c * sol[i])
temp1 = -b * math.sqrt(val1 / D)
temp2 = val2 / D
val = -a * math.exp(temp1) - math.exp(temp2) + a + math.exp(1)
return val
return evaluate
NiaOrg /
NiaPy
