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Apr, 2024
用于离散决策众包模型校准的自动梯度估计
Automatic Gradient Estimation for Calibrating Crowd Models with Discrete Decision Making
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Philipp Andelfinger, Justin N. Kreikemeyer
TL;DR
该研究探讨了用于模拟交通疏散的基于力的模型的校准问题,研究了梯度下降和元启发式方法,在分析中发现梯度估计的精度受到模型特性和参数分布的影响。
Abstract
Recently proposed
gradient estimators
enable gradient descent over
stochastic programs
with discrete jumps in the response surface, which are not covered by automatic differentiation (AD) alone. Although these es
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