{"coeffs": [-9.55013935915336e-07, 4.185164272478051e-05, 0.5808155772449382, 0.1605373802065354], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.2320298802872185e-07, 3.2161128198689487e-06, 0.022954921186758577, 0.008585578718210937], "covariance": [[4.981957386494975e-14, -5.480489096307317e-13, -3.804917957243874e-09, -1.7010541987374047e-09], [-5.480489096307302e-13, 1.03433816701254e-11, 7.363375204339324e-08, 2.6285204722704802e-08], [-3.804917957243863e-09, 7.363375204339324e-08, 0.0005269284066902977, 0.00018716350562369494], [-1.7010541987374026e-09, 2.628520472270483e-08, 0.00018716350562369513, 7.371216192659656e-05]]}