{"coeffs": [-1.0116292394666364e-06, 5.5237382273082567e-05, 0.435343379886409, 0.12795679418624903], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.9345245167673376e-07, 1.8449169517476551e-06, 0.008946739089238686, 0.005201531087626044], "covariance": [[8.611434139508577e-14, -3.43021492990877e-13, -1.334728536324314e-09, -1.2236309434388281e-09], [-3.4302149299087664e-13, 3.4037185588458593e-12, 1.6133880404667137e-08, 8.808783068563803e-09], [-1.3347285363243118e-09, 1.6133880404667134e-08, 8.004414033091146e-05, 4.033803498420896e-05], [-1.2236309434388275e-09, 8.808783068563805e-09, 4.033803498420898e-05, 2.7055925655540182e-05]]}