{"coeffs": [-1.650325513280141e-06, 8.796642694528669e-05, 0.3859071976461963, 0.13330336083988448], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.9326490056862874e-07, 1.1382368853979003e-06, 0.0035624207416882925, 0.002643310033889925], "covariance": [[8.600430190552769e-14, -2.1890356494237752e-13, -4.5745662493994627e-10, -6.433092412434683e-10], [-2.1890356494237773e-13, 1.2955832072803127e-12, 3.847849059809383e-09, 2.7441821448739744e-09], [-4.574566249399472e-10, 3.847849059809385e-09, 1.2690841540810965e-05, 7.523270048241549e-06], [-6.433092412434686e-10, 2.744182144873974e-09, 7.523270048241544e-06, 6.987087935263157e-06]]}