{"coeffs": [-1.1446943636485077e-06, 2.3786260557630243e-05, 0.5720568243808537, 0.23759197743459806], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.0470882570336751e-07, 2.267507246520624e-06, 0.03887745125317578, 0.015574104838560775], "covariance": [[4.19057033208517e-14, -4.042001052877754e-13, -6.813805013642776e-09, -3.036799333291176e-09], [-4.042001052877757e-13, 5.141589113023541e-12, 8.804615053312457e-08, 3.427155798375873e-08], [-6.813805013642781e-09, 8.804615053312457e-08, 0.001511456215943059, 0.000585127443936108], [-3.03679933329118e-09, 3.427155798375873e-08, 0.0005851274439361079, 0.00024255274152248213]]}