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feat: complete q10, q11

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snsd0805 2024-05-08 00:55:35 +08:00
parent 83a3634e2a
commit 81c58289c1
Signed by: snsd0805
GPG Key ID: 569349933C77A854
1 changed files with 16 additions and 2 deletions
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18
inference.py
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@ -683,7 +683,19 @@ class ParticleFilter(InferenceModule):
the DiscreteDistribution may be useful.
"""
"*** YOUR CODE HERE ***"
raiseNotDefined()
pacman_position = gameState.getPacmanPosition()
jail_position = self.getJailPosition()
particle_weights = DiscreteDistribution()
for particle in self.particles:
particle_weights[particle] += self.getObservationProb(observation, pacman_position, particle, jail_position)
total = sum([v for k, v in particle_weights.items()])
if total == 0:
self.initializeUniformly(gameState)
else:
self.particles = [particle_weights.sample() for time in range(self.numParticles)]
"*** END YOUR CODE HERE ***"
########### ########### ###########
@ -696,6 +708,8 @@ class ParticleFilter(InferenceModule):
gameState.
"""
"*** YOUR CODE HERE ***"
raiseNotDefined()
for index, old_particle_position in enumerate(self.particles):
distribution = self.getPositionDistribution(gameState, old_particle_position)
self.particles[index] = distribution.sample()
"*** END YOUR CODE HERE ***"