{"coeffs": [-2.244859885854303e-06, 0.018591835084541875, 2.347422682568403, 0.27057493001619126], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [6.107291100852485e-07, 1.41697034688221, 20.841363028567578, 0.030759062071823474], "covariance": [[3.7299004590551967e-13, -7.852889119720544e-07, -1.1558886773421951e-05, -1.813597474222555e-08], [-7.852889119819254e-07, 2.0078049639434905, 29.531547973203118, 0.04277423088987217], [-1.1558886773565362e-05, 29.531547973201647, 434.36241288854353, 0.6293550077076643], [-1.8135974742339512e-08, 0.042774230889633585, 0.6293550077041863, 0.0009461198995382894]]}