class Schaffer
Schaffer
F6 function
zhanggw.wordpress.com/2010/09/25/optimization-schaffer-f6-function-using-basic-genetic-algorithm-2/
Public Instance Methods
evaluate(values)
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# File lib/gimuby/problem/schaffer/schaffer.rb, line 6 def evaluate(values) x_values = values.clone x = x_values.shift y = x_values.shift sqrt_arg = x**2 + y**2 sin_arg = Math.sqrt(sqrt_arg) numerator = Math.sin(sin_arg) ** 2 - 0.5 denominator_part = 0.001 * ( x ** 2 + y ** 2 ) denominator = (1 + denominator_part)**2 0.5 + numerator/denominator end