{"coeffs": [-1.256173207844785e-05, 0.00023281974420265596, 0.6761460026371202, 0.28471596031840934], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.6421382825374083e-06, 4.207769869624249e-05, 0.08492881375375817, 0.027950993728181883], "covariance": [[6.980894704049727e-12, -1.0091474811015644e-10, -2.033540450506991e-07, -7.154699008094115e-08], [-1.0091474811015637e-10, 1.7705327275717667e-09, 3.572204636692646e-06, 1.1511343419607804e-06], [-2.0335404505069904e-07, 3.572204636692648e-06, 0.007212903405620544, 0.002325467286923136], [-7.154699008094125e-08, 1.1511343419607819e-06, 0.002325467286923138, 0.0007812580503928629]]}