Exemplo n.º 1
0
 def __init__(self, strategy, cap=None, name=None):
     name = "Random" if name is None else name
     self.leaf = None
     from threading import Event
     # used in on_start, to continue when we have a leaf.
     self.first_split = Event()
     Heuristic.__init__(self, strategy, name=name)
Exemplo n.º 2
0
 def __init__(self, strategy, cap=3, radius=1. / 100, new=1, axes='one'):
     Heuristic.__init__(
         self, strategy,
         cap=cap, name="Nearby %.3f/%s" % (radius, axes))
     self.radius = radius
     self.new = new
     self.axes = axes
     self._depends_on = [Best]
Exemplo n.º 3
0
 def __init__(self, strategy, diameter=1. / 10, prob=None):
     Heuristic.__init__(self, strategy, name="Extremal")
     import numpy as np
     if prob is None:
         prob = (1, .2, .2, 1)
     prob = np.array(prob) / float(np.sum(prob))
     self.probabilities = prob.cumsum()
     self.diameter = diameter  # inside the box or around zero
     self.vals = None
Exemplo n.º 4
0
 def __init__(self, strategy, div):
     """
     Args:
        - `div`: number of divisions, positive integer.
     """
     cap = div
     Heuristic.__init__(self, strategy, cap=cap, name="Latin Hypercube")
     if not isinstance(div, int):
         raise Exception("LH: div needs to be an integer")
     self.div = div
Exemplo n.º 5
0
 def __init__(self, strategy, k=0.1):
     Heuristic.__init__(self, strategy)
     self.k = k
     self.logger = self.config.get_logger("WAvg")
Exemplo n.º 6
0
 def __init__(self, strategy):
     Heuristic.__init__(self, strategy, cap=1)
     self.logger = self.config.get_logger("LBFGS")
Exemplo n.º 7
0
 def __init__(self, strategy):
     Heuristic.__init__(self, strategy, name="Center", cap=1)
Exemplo n.º 8
0
 def __init__(self, strategy):
     Heuristic.__init__(self, strategy, name="Zero", cap=1)