{"coeffs": [5.004789216259284e-07, 0.27470437339666515, 1.6843159371698706, 0.12973396429241418], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [6.285047502560181e-07, 142.24298371158002, 67.71167021964378, 0.012674801486600757], "covariance": [[3.950182210943797e-13, -5.98348856071898e-05, -2.8492673506263592e-05, -6.3146562316904624e-09], [-5.9834885603673935e-05, 20233.06641517282, 9631.509090832313, 1.7297442153403382], [-2.849267350463075e-05, 9631.509090832615, 4584.870283933795, 0.8235121770453819], [-6.314656231498858e-09, 1.7297442153773033, 0.8235121770628812, 0.00016065059272473678]]}