{"coeffs": [-1.2913914332442987e-06, 0.25652498365645077, 2.1372489864032764, 0.18077848615286246], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [5.505377901262154e-07, 122.03310570311476, 86.47896047993082, 0.01466417650501396], "covariance": [[3.030918583570567e-13, -5.4062227570624846e-05, -3.831939203045466e-05, -7.2859943289968045e-09], [-5.406222756356585e-05, 14892.078887547581, 10553.295476317322, 1.7338324257025248], [-3.831939202547016e-05, 10553.295476318133, 7478.610605689437, 1.2287930885347966], [-7.2859943285177015e-09, 1.733832425799493, 1.2287930886034486, 0.00021503807257020345]]}