{"coeffs": [-9.454086711450455e-07, 0.28053047534864917, 2.003596132072396, 0.16487818421321998], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [5.634425307116649e-07, 140.50318557551904, 83.06029131468055, 0.013674249926668117], "covariance": [[3.174674854147654e-13, -6.106198302823353e-05, -3.6105952169881096e-05, -6.763157020727233e-09], [-6.106198302616346e-05, 19741.145156868744, 11670.23478117593, 1.8559248514502356], [-3.610595216840403e-05, 11670.234781176197, 6899.011993279597, 1.097258838097969], [-6.763157020576014e-09, 1.8559248514818523, 1.0972588381167334, 0.000186985111056983]]}