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Home / Proceedings / Proceedings of the AAAI Conference on Artificial Intelligence, 35 / No. 12: AAAI-21 Technical Tracks 12

On Convergence of Gradient Expected Sarsa(λ)

February 1, 2023

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Authors

Long Yang

Zhejiang University, China


Gang Zheng

Zhejiang University, China


Yu Zhang

Zhejiang University, China


Qian Zheng

Nanyang Technological University,Singapore


Pengfei Li

Zhejiang University, China


Gang Pan

Zhejiang University, China


DOI:

10.1609/aaai.v35i12.17270


Abstract:

We study the convergence of Expected Sarsa(λ) with function approximation. We show that with off-line es- timate (multi-step bootstrapping) to ExpectedSarsa(λ) is unstable for off-policy learning. Furthermore, based on convex-concave saddle-point framework, we propose a con- vergent Gradient Expected Sarsa(λ) (GES(λ)) algorithm. The theoretical analysis shows that the proposed GES(λ) converges to the optimal solution at a linear convergence rate under true gradient setting. Furthermore, we develop a Lyapunov function technique to investigate how the step- size influences finite-time performance of GES(λ). Addition- ally, such a technique of Lyapunov function can be poten- tially generalized to other gradient temporal difference algo- rithms. Finally, our experiments verify the effectiveness of our GES(λ). For the details of proof, please refer to https: //arxiv.org/pdf/2012.07199.pdf.

Topics: AAAI

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HOW TO CITE:

Long Yang||Gang Zheng||Yu Zhang||Qian Zheng||Pengfei Li||Gang Pan On Convergence of Gradient Expected Sarsa(λ) Proceedings of the AAAI Conference on Artificial Intelligence (2021) 10621-10629.

Long Yang||Gang Zheng||Yu Zhang||Qian Zheng||Pengfei Li||Gang Pan On Convergence of Gradient Expected Sarsa(λ) AAAI 2021, 10621-10629.

Long Yang||Gang Zheng||Yu Zhang||Qian Zheng||Pengfei Li||Gang Pan (2021). On Convergence of Gradient Expected Sarsa(λ). Proceedings of the AAAI Conference on Artificial Intelligence, 10621-10629.

Long Yang||Gang Zheng||Yu Zhang||Qian Zheng||Pengfei Li||Gang Pan. On Convergence of Gradient Expected Sarsa(λ). Proceedings of the AAAI Conference on Artificial Intelligence 2021 p.10621-10629.

Long Yang||Gang Zheng||Yu Zhang||Qian Zheng||Pengfei Li||Gang Pan. 2021. On Convergence of Gradient Expected Sarsa(λ). "Proceedings of the AAAI Conference on Artificial Intelligence". 10621-10629.

Long Yang||Gang Zheng||Yu Zhang||Qian Zheng||Pengfei Li||Gang Pan. (2021) "On Convergence of Gradient Expected Sarsa(λ)", Proceedings of the AAAI Conference on Artificial Intelligence, p.10621-10629

Long Yang||Gang Zheng||Yu Zhang||Qian Zheng||Pengfei Li||Gang Pan, "On Convergence of Gradient Expected Sarsa(λ)", AAAI, p.10621-10629, 2021.

Long Yang||Gang Zheng||Yu Zhang||Qian Zheng||Pengfei Li||Gang Pan. "On Convergence of Gradient Expected Sarsa(λ)". Proceedings of the AAAI Conference on Artificial Intelligence, 2021, p.10621-10629.

Long Yang||Gang Zheng||Yu Zhang||Qian Zheng||Pengfei Li||Gang Pan. "On Convergence of Gradient Expected Sarsa(λ)". Proceedings of the AAAI Conference on Artificial Intelligence, (2021): 10621-10629.

Long Yang||Gang Zheng||Yu Zhang||Qian Zheng||Pengfei Li||Gang Pan. On Convergence of Gradient Expected Sarsa(λ). AAAI[Internet]. 2021[cited 2023]; 10621-10629.


ISSN: 2374-3468


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