QunaSys / quantum-algorithm-grand-challenge-2023

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Frugal Optimization & Stable ZNE #8

Open lambyudG opened 1 year ago

lambyudG commented 1 year ago

Team name:

Xyzzy

Team members:

Yudai Satoh

Project Description:

In this project, I tried to reduce the execution time per step because I believe it is important to search for optimal parameters as many times as possible.To achieve this, I used SPSA as an optimizer and reduced shots by stochastically selecting measuring terms of the Hamiltonian. In addition, I implemented ZNE to obtain smaller expected values. However, the value from ZNE has instability. Therefore, I calculated outliers of the costs during optimization and used it to decide the acceptable range of ZNE results.

Presentation:

https://1drv.ms/p/s!AmKF5Bc81V_y71k9BLnVMPTqp1qP?e=zFPQAX

Source code:

https://github.com/lambyudG/QAGC_Submission/blob/main/problem/answer.py