[ドキュメント]def call_simulator(simu, action):
"""
Parameters
----------
simu: simulator object
This object is called in call_simulator and must have __call__(action).
action: int
Index of actions
Returns
-------
t: float
The negative energy of the target candidate (value of the objective function to be optimized).
X: numpy array
d dimensional matrix. The d-dimensional feature vector of the target candidate.
"""
output = simu(action)
if hasattr(output, '__len__') and len(output) == 2:
t = output[0]
x = output[1]
else:
t = output
x = None # self.test.X[action, :]
return t, x