Esempio n. 1
0
 def test_adaptive_crossover(self):
     # Set up for test
     self.gen.makep()
     if self.gen.g == 1:
         self.gen.q = binsel(self.gen.p, self.gen.pop, 'elitism')
     else:
         self.q = binsel(self.gen.p, self.gen.pop, 'cco')
     # Run adaptive crossover
     self.gen.adaptive_crossover()
     self.assertEqual(
         len(self.gen.q) + len(self.gen.newgenes), self.gen.pop)
 def rungen(self):
     self.t += 1
     if self.t % 50 == 0:
         gent = datetime.datetime.now()
         print('                         ', gent)
     print('t = ', self.t)
     self.makep()
     if self.t == 1:
         self.q = ga.binsel(self.p, self.pop, 'elitism')
     else:
         self.q = ga.binsel(self.p, self.pop, 'cco')
     self.newgenes = ga.xover(self.q, self.pop, 0.9)
     self.newgenes = ga.mutat(self.n, self.newgenes, self.pop)
     self.makeq()
Esempio n. 3
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 def rungen(self):
     self.update_gen()
     # Create the parent pool:
     self.makep()
     if self.g == 1:
         self.q = ga.binsel(self.p, self.pop, 'elitism')
     else:
         self.q = ga.binsel(self.p, self.pop, 'cco')
     self.adaptive_crossover()
     # Mutation random or selected
     self.q, self.newgenes = \
         ga.mutat_mv(self.q, self.newgenes, self.pop, self.prob_mutat)
     self.fill_q()
     # Adaptive Local search
     self.local_search()
     self.cleanarchive()
     print(self.funkeval, 'function evaluations have been performed.\n')
Esempio n. 4
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 def rungen(self):
     self.g += 1
     # Print out generation info:
     if self.g % 50 == 0:
         gent = datetime.now()
         print('                         ', gent)
     print(' ')
     print('gen = ', self.g)
     # Create the parent pool:
     self.makep()
     if self.g == 1:
         self.q = ga.binsel(self.p, self.pop, 'elitism')
     else:
         self.q = ga.binsel(self.p, self.pop, 'cco')
     # Use the mixed-variable specific modules:
     self.q, self.newgenes = ga.xover_mv(self.q, self.pop, 0.9)
     self.q, self.newgenes = ga.mutat_mv(self.q, self.newgenes, self.pop,
                                         0.3)
     self.makeq()
     print(self.funkeval, 'function evaluations have been performed.\n')
Esempio n. 5
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 def rungen(self):
     self.t += 1
     #if self.t % 50 == 0:
     gent = datetime.now()
     print('                         ', gent)
     print('t = ', self.t)
     print('Selecting parent population...')
     self.makep()
     print('GA operation: binary selection...')
     if self.t == 1:
         self.q = ga.binsel(self.p, self.pop, 'elitism')
     else:
         self.q = ga.binsel(self.p, self.pop, 'cco')
     print('GA operation: crossover...')
     self.newgenes = ga.xover(self.q, self.pop, 0.8)
     print('GA operation: mutation...')
     self.evoloperators()
     if self.t % 10 == 0:
         self.localsearch()
     print(self.funkeval, 'function evaluations have been performed.\n')
Esempio n. 6
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 def soga(self, k, mems, numgen):
     # Initialize single-objective solutions using genetic algorithm
     q = []
     newgenes = []
     for t in range(numgen):
         print('         Subgeneration', t)
         p, newgenes = self.makesop(t, mems, q, newgenes)
         if t != 0:
             q = ga.binsel(p, mems, 'elitism')
             newgenes = ga.xover(q, mems, 0.9)
             newgenes = ga.mutat(self.n, newgenes, mems)
         q = self.makesoq(t, mems, k, p, q, newgenes)
     q = sorank(q)
     return q[0]