{"coeffs": [-1.7245250649861935e-06, 4.9106017483678304e-05, 0.42619201771882154, 0.13593009523421315], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.6236525612062415e-06, 9.185419802457402e-06, 0.051288909772282044, 0.031226583286313628], "covariance": [[2.6362476395115878e-12, -9.91897601960667e-12, -4.4325644195224506e-08, -4.200059046383327e-08], [-9.91897601960667e-12, 8.437193694737658e-11, 4.5987415273379303e-07, 2.645929135620642e-07], [-4.432564419522448e-08, 4.59874152733793e-07, 0.002630552265629289, 0.0013852056298917221], [-4.200059046383325e-08, 2.6459291356206416e-07, 0.0013852056298917221, 0.0009750995037370817]]}