{"coeffs": [1.3968736887105864e-08, 0.16360978465769266, 1.2028121383852564, 0.05983427063177827], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [4.1742366235485094e-08, 376.25082300432314, 138.136214174176, 0.005361042679452928], "covariance": [[1.7424251389373662e-15, -5.982377874194275e-06, -2.1966136917724505e-06, -1.0852807861998436e-10], [-5.982377868490996e-06, 141564.6818114305, 51973.86396884629, 1.9341983222386654], [-2.1966136896595658e-06, 51973.8639688512, 19081.613666373818, 0.7101415161458441], [-1.0852807856314317e-10, 1.9341983227399981, 0.7101415163303414, 2.8740778610915826e-05]]}