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递阶结构 [dì jiē jié gòu]
[自] hierarchical structure
- 在状态空间满足结构化条件的前提下，通过状态空间的维度划分直接将复杂的原始MDP问题递阶分解为一组简单的MDP或SMDP子问题，并在线对递阶结构进行完善。
In terms of structural state-apace, the complex MDP problem is divided into a set of simple MDP or SMDP problems hierarchically according to dimensionality of the state-apace. - 基于递阶结构的遗传算法可以同时对神经网络进行拓扑结构优化和权重的求解，具有较高的学习效率。
Genetic algorithm based on the hierarchical structure can optimize topological and weights(including nodes threshold) of neural network at the same time, it has a high learning efficiency. - 针对传统网络收敛速度慢、隐层节点数选取盲目的问题，提出了一种基于递阶结构的自适应遗传算法。
An improved adaptive genetic algorithm (AHGA) based on hierarchical structure for wavelet neural network is presented, which adopts hierarchical chromosomes and adaptive genetic operators.
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