def rosenbrock(x):
x = normalization(x, x_min, x_max)
result = 0
for i in range(len(x)-1):
result += 100*(x[i+1]-x[i]**2)**2 + (x[i] - 1)**2
return result
def rastrigin(x):
x = normalization(x)
result = 0
for elem in x:
result += elem**2 - 10*cos(2*pi*elem) + 10
return result
def schwefel(x):
x = normalization(x, x_min, x_max)
result = 0
for elem in x:
result += (-1*elem)*sin(sqrt(abs(elem)))
return result
