{"coeffs": [-1.473336719939793e-06, 6.030468973698951e-05, 0.40196749771030504, 0.12767006636083963], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.573473014266929e-06, 1.1687589520286747e-05, 0.05189274738114744, 0.03552680195577361], "covariance": [[6.622763355160114e-12, -1.9038738704924825e-11, -5.9488748712202286e-08, -7.394411597990441e-08], [-1.9038738704924796e-11, 1.3659974879471657e-10, 5.81531537206478e-07, 3.7793448623239065e-07], [-5.94887487122021e-08, 5.815315372064777e-07, 0.0026928572307635848, 0.0015104311320048257], [-7.394411597990436e-08, 3.7793448623239086e-07, 0.0015104311320048274, 0.0012621536572047598]]}