Calibration of the temporally varying volatility and interest rate functions. - Eunchae Park; Jisang Lyu; Sangkwon Kim; Chaeyoung Lee; Wonjin Lee; Yongho Choi; Soobin Kwak; Changwoo Yoo; Hyeongseok Hwang; Junseok Kim (Int. J. Comput. Math., 2022)