#-------------------------------------------------------------------------------
#?Name:????????module1
#?Purpose:
#
#?Author:??????cjfb68
#
#?Created:?????24/05/2013
#?Copyright:???（c）?cjfb68?2013
#?Licence:?????
#-------------------------------------------------------------------------------

import?random
import?math
import?copy

class?Cuckoo_Search（）:

????def?__init__（self?nest_number?nest_size?pa?Lowerbands?Upperbands?Num_iter）:

????????#?fitness?function
????????#?self.func?=?func
????????self.n?=?nest_number
????????self.nd?=?nest_size
????????self.pa?=?pa
????????self.Lb?=?Lowerbands
????????self.Ub?=?Upperbands
????????self.N_IterTotal?=?Num_iter
????????self.sigma?=?self.sigma_cal（）
????????#?used?for?fitness?function

????def?sigma_cal（self）:
????????#?define?gamma?function
????????def?gamma（x）:
????????????_a?=?（1.00000000000000000000
????????????????0.57721566490153286061
????????????????-0.65587807152025388108
?