{"coeffs": [-7.945058864875363e-07, 7.988864204662637e-05, 0.4269034048884684, 0.1238388461553232], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.845846210235737e-07, 1.6542106279855911e-06, 0.00549447148874204, 0.003332460958017739], "covariance": [[8.098840652313108e-14, -2.901698479962184e-13, -7.400037031675699e-10, -7.486842966305789e-10], [-2.9016984799621836e-13, 2.7364128017404834e-12, 8.835393074738737e-09, 5.030248612947593e-09], [-7.400037031675693e-10, 8.835393074738737e-09, 3.0189216940599164e-05, 1.5587260466389673e-05], [-7.486842966305788e-10, 5.0302486129475935e-09, 1.558726046638968e-05, 1.1105296036712508e-05]]}