reproduce several different calibration methods in papers as follow
[1] Generalized Nonlinear Least Squares Method for the Calibration of Complex Computer Code Using a Gaussian Process Surrogate
[2] 固定设计下计算机模型L2校准的渐近性质
[3] Marc C Kennedy and Anthony O’Hagan. Bayesian calibration of computer models. Journal of the Royal Statistical Society: Series B (Statistical Methodology)