{"coeffs": [-8.012519931164255e-08, 0.27847142632765354, 1.839423897671988, 0.14850959375733275], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [6.332651338296528e-07, 124.92843108585228, 67.10123134182055, 0.012853174531461248], "covariance": [[4.0102472972428803e-13, -5.767046178918814e-05, -3.098506900486598e-05, -6.870683134723613e-09], [-5.767046178574266e-05, 15607.112893572541, 8382.850796240673, 1.546108565384879], [-3.098506900302143e-05, 8382.85079624096, 4502.575247588521, 0.8305406743868899], [-6.870683134504893e-09, 1.546108565419852, 0.830540674405701, 0.0001652040955362041]]}