def decode_with_shrinking_expanding(C):
def dcenter(j):
return min(1.0, max(0.0, C[j])) - 0.5 if self.adjust_center else 1.0
return [ fl.PiSet(r=means[j] * dcenter(j),
p=means[j] - (ds[j] * C[j + 1]),
q=means[j] + (ds[j] * C[j + 1]))
for j in range(self.m) ]
def test_piset():
s = fl.PiSet(r=0.5, p=0.2, q=0.8)
print("y", s([0.0, 0.2, 0.35, 0.5, 0.65, 0.8, 1.0]))
assert s(0.19) < 0.5
assert abs(s(0.2) - 0.5) < 0.0001
assert s(0.45) > 0.5 and s(0.45) < 1.0
assert abs(s(0.5) - 1.0) < 0.0001
assert s(0.65) > 0.5 and s(0.65) < 1.0
assert abs(s(0.8) - 0.5) < 0.0001
assert s(0.81) < 0.5
def build_pi_membership(chromosome, idx):
a, r, b = sorted(chromosome[idx:idx + 3])
return fl.PiSet(a=a, r=r, b=b)
def pi_factory(*args):
return fl.PiSet(p=args[0], r=args[1], q=args[2], m=2.0)