{"coeffs": [-6.340277554072032e-08, 0.3123008044408035, 1.3858116781407055, 0.07637175088130285], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [4.113283906884862e-08, 561.016985429341, 137.62740156059655, 0.00398161648344552], "covariance": [[1.6919104498637994e-15, -1.0364869903544283e-05, -2.5429068486191604e-06, -9.296281765715232e-11], [-1.0364869907144007e-05, 314740.0579402255, 77211.30965002229, 2.1345146866312916], [-2.542906849546002e-06, 77211.30965002003, 18941.301660321693, 0.5236481380241995], [-9.296281767347272e-11, 2.134514686409941, 0.5236481379698946, 1.5853269821245068e-05]]}