{"coeffs": [-1.474078619292906e-06, 0.029919552590385087, 2.915975727542576, 0.30855533968525584], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [6.038750305391785e-07, 9.74835575910021, 100.98241177379661, 0.055414622365109675], "covariance": [[3.6466505250869377e-13, -5.463258513160262e-06, -5.660797777257395e-05, -3.263136989815538e-08], [-5.463258512685227e-06, 95.03044000598224, 984.41224457996, 0.5319988847083155], [-5.660797776767132e-05, 984.4122445801138, 10197.447487652616, 5.511595974883468], [-3.263136989675177e-08, 0.5319988847297588, 5.511595975104737, 0.0030707803718677132]]}