Analysis ofExchange Ratio forExchange MonteCarloMethod

Analysis ofExchange Ratio forExchange MonteCarloMethod
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交换蒙特卡罗法的​​交换比分析

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发表时间:
2007
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通讯作者:
K. Nagata
K. Nagata
中科院分区:
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文献类型:
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作者:
K. Nagata

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交换蒙特卡罗法是对马尔可夫链蒙特卡罗法的一种改进算法,它的有效性已在许多领域得到了证明。在交换蒙特卡罗方法中,温度的设置对于使算法有效是重要的,因为该设置控制交换比率,通过该比率,两个序列之间的位置交换被接受。然而,交换MC法的数学基础尚未得到证实。本文严格证明了对称Kullback发散度与交换率之间的数学关系,并据此设计了最佳温度设置。
Theexchange MonteCarlomethodwasproposed asan improved algorithm ofMarkovChainMonteCarlo methodanditseffectiveness hasbeenshowninmanyfields. In theexchange MonteCarlomethod, thesetting oftemperatures isimportant tomakethealgorithm efficient because this setting controls theexchange ratio, withwhichtheposition exchange between twosequences isaccepted. However, themathematical foundation ofexchange MC methodhasnotyetbeenestab- lished. Inthispaper, we rigorously provethemathematical relation between thesymmetrized Kullback divergence andthe exchange ratio, bywhichtheoptimal setting oftemperatures isdevised.