{"coeffs": [-8.094740562053872e-07, 0.2466816680080775, 1.8118534370189614, 0.1468577382125471], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [5.970589943026631e-07, 98.66142383019302, 59.16178366234021, 0.012426948797734315], "covariance": [[3.564794426777075e-13, -4.266070724747312e-05, -2.5589653215952322e-05, -6.2338465367153095e-09], [-4.266070725039425e-05, 9734.076552200979, 5836.985185774073, 1.1801523669200131], [-2.5589653217791508e-05, 5836.985185773831, 3500.1166461095454, 0.7077640772349203], [-6.2338465369380626e-09, 1.1801523668902856, 0.7077640772170523, 0.00015442905642151032]]}