| | 在这个词条里,我们主要讨论Hard partitioning,主要参考的是<ref name=":0">Zhang, Anru, and Mengdi Wang. "Spectral state compression of markov processes." ''IEEE transactions on information theory'' 66.5 (2019): 3202-3231.</ref><ref name=":3" />,对Soft state aggregation感兴趣的朋友可以自行参阅S. P. Singh, T. Jaakkola, and M. I. Jordan, “Reinforcement learning with soft state aggregation"<ref>Singh, Satinder, Tommi Jaakkola, and Michael Jordan. "Reinforcement learning with soft state aggregation." ''Advances in neural information processing systems'' 7 (1994).</ref>和Duan, Yaqi, Tracy Ke, and Mengdi Wang. "State aggregation learning from markov transition data." ''Advances in Neural Information Processing Systems'' 32 (2019).<ref>Duan, Yaqi, Tracy Ke, and Mengdi Wang. "State aggregation learning from markov transition data." ''Advances in Neural Information Processing Systems'' 32 (2019).</ref> | | 在这个词条里,我们主要讨论Hard partitioning,主要参考的是<ref name=":0">Zhang, Anru, and Mengdi Wang. "Spectral state compression of markov processes." ''IEEE transactions on information theory'' 66.5 (2019): 3202-3231.</ref><ref name=":3" />,对Soft state aggregation感兴趣的朋友可以自行参阅S. P. Singh, T. Jaakkola, and M. I. Jordan, “Reinforcement learning with soft state aggregation"<ref>Singh, Satinder, Tommi Jaakkola, and Michael Jordan. "Reinforcement learning with soft state aggregation." ''Advances in neural information processing systems'' 7 (1994).</ref>和Duan, Yaqi, Tracy Ke, and Mengdi Wang. "State aggregation learning from markov transition data." ''Advances in Neural Information Processing Systems'' 32 (2019).<ref>Duan, Yaqi, Tracy Ke, and Mengdi Wang. "State aggregation learning from markov transition data." ''Advances in Neural Information Processing Systems'' 32 (2019).</ref> |
| − | 首先定义<math>s^{(t)}</math>表示系统在<math>t</math>时刻的微观状态,微观状态空间为<math>S=\{s_1, s_2, ... ,s_n\}</math>。 | + | 首先定义<math>s^{(t)}</math>表示系统在<math>t</math>时刻处于各微观状态的概率,微观状态空间为<math>S=\{s_1, s_2, ... ,s_n\}</math>。 |
| | 给定一个任意state partition <math>A=\{A_1, A_2, ... ,A_r\}</math>,也可以把其理解为宏观的状态空间。<math>S</math> 和 <math>A</math> 之间的Hard Partition映射关系<math>\Phi:S \rightarrow A</math>为:<math>A_i \in S, A_i \neq \empty, A_i \cap A_j = \empty , \forall i, j, \cup_i A_i = S</math>。这种映射关系是指:<math>A</math>中的每个元素<math>A_i</math>都包括了若干个<math>s_i</math>;<math>A_i</math>和<math>A_j</math>之间没有交集,即每个<math>s_i</math>不会同时属于<math>A_i</math>和<math>A_j</math>;<math>S</math>中的每个元素必须属于某个<math>A</math>的元素,即<math>A</math>覆盖了<math>S</math>。 | | 给定一个任意state partition <math>A=\{A_1, A_2, ... ,A_r\}</math>,也可以把其理解为宏观的状态空间。<math>S</math> 和 <math>A</math> 之间的Hard Partition映射关系<math>\Phi:S \rightarrow A</math>为:<math>A_i \in S, A_i \neq \empty, A_i \cap A_j = \empty , \forall i, j, \cup_i A_i = S</math>。这种映射关系是指:<math>A</math>中的每个元素<math>A_i</math>都包括了若干个<math>s_i</math>;<math>A_i</math>和<math>A_j</math>之间没有交集,即每个<math>s_i</math>不会同时属于<math>A_i</math>和<math>A_j</math>;<math>S</math>中的每个元素必须属于某个<math>A</math>的元素,即<math>A</math>覆盖了<math>S</math>。 |