{"coeffs": [-4.140957822045766e-06, 0.013221651852418673, 3.3094670024158734, 0.42457037407637815], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [2.834691045744121e-06, 3.379084789235951, 110.48121823684303, 0.21146589901822033], "covariance": [[8.035473324821898e-12, -9.207492345328725e-06, -0.00030116995057599357, -5.924712319764393e-07], [-9.207492344355232e-06, 11.418214012845771, 373.3249791619097, 0.708227664187827], [-0.00030116995054432126, 373.3249791621227, 12206.099583096937, 23.16058474347277], [-5.924712319450138e-07, 0.7082276642237489, 23.160584744634047, 0.04471782644758416]]}