@techreport{weko_217651_1,
   author	 = "Ryunosuke,Okubo and Lento,Nagano",
   title	 = "Cost function gradient for general ansatz in variational quantum algorithm",
   year 	 = "2022",
   institution	 = "Department of Physics, The University of Tokyo, International Center for Elementary Particle Physics (ICEPP), The University of Tokyo",
   number	 = "29",
   month	 = "mar"
}