{"coeffs": [-1.2639946955585687e-06, 0.1444722766202153, 1.861492363359658, 0.16228408295898689], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [4.444480929671443e-07, 25.450827397593468, 28.909296703044753, 0.00996918884816254], "covariance": [[1.9753410734213134e-13, -8.654597592879878e-06, -9.835080524182999e-06, -3.868246028898925e-09], [-8.654597592517975e-06, 647.7446152220944, 735.7653471591207, 0.2449658398186213], [-9.83508052376986e-06, 735.7653471591536, 835.7474358646742, 0.27830523409873076], [-3.868246028819947e-09, 0.24496583982293482, 0.2783052341036201, 9.938472629032836e-05]]}