{"coeffs": [-7.600507086715872e-06, 0.00010831825827497654, 0.31000340822949807, 0.1687913584505965], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.194319967774717e-06, 4.178304927930302e-06, 0.010399561605015614, 0.012151465739621729], "covariance": [[4.815040120974836e-12, -7.021008064453115e-12, -7.108911783841511e-09, -2.4320066393715902e-08], [-7.021008064453101e-12, 1.745823207076665e-11, 3.6241376638162425e-08, 4.7286657143963445e-08], [-7.1089117838414736e-09, 3.624137663816238e-08, 0.00010815088157651494, 7.884386890994862e-05], [-2.4320066393715882e-08, 4.728665714396347e-08, 7.884386890994878e-05, 0.00014765811962120064]]}