{"coeffs": [-5.006571509677242e-07, 2.063324831542842e-05, 0.5170557166205816, 0.20239162308855604], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [8.959848549188092e-08, 8.250272532053932e-07, 0.01466755368845306, 0.0065905437827667], "covariance": [[8.027888602438795e-15, -6.114625166327581e-14, -1.0452658421725538e-09, -5.493994047405843e-10], [-6.114625166327608e-14, 6.806699685316361e-13, 1.2064292427257863e-08, 5.225045446884287e-09], [-1.0452658421725575e-09, 1.2064292427257866e-08, 0.00021513713120365296, 9.186479647192146e-05], [-5.493994047405853e-10, 5.225045446884279e-09, 9.18647964719213e-05, 4.343526735256481e-05]]}