@techreport{weko_228550_1, author = "Soshun,Naito and Yoshihiko,Hasegawa", title = "Simultaneous Parameter Optimization for Variational Quantum Eigensolver", year = "2023", institution = "Department of Information and Communication Engineering, Graduate School of Information Science and Technology, The University of Tokyo, Department of Information and Communication Engineering, Graduate School of Information Science and Technology, The University of Tokyo", number = "2", month = "oct" }