{"coeffs": [-1.0183296580200525e-06, 3.529413864923271e-05, 0.39810185561468175, 0.1433650435161302], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.1233435433958256e-07, 1.3350255052042042e-06, 0.010732118269862367, 0.00754578725825861], "covariance": [[9.755274890072391e-14, -2.8855139089146647e-13, -1.7236455101645603e-09, -2.0115736113689786e-09], [-2.88551390891467e-13, 1.7822930995457408e-12, 1.3803785503280691e-08, 9.302236014709842e-09], [-1.7236455101645645e-09, 1.3803785503280698e-08, 0.0001151783625583136, 6.76286936531544e-05], [-2.0115736113689803e-09, 9.302236014709836e-09, 6.762869365315432e-05, 5.6938905346897985e-05]]}