{"coeffs": [-1.1470933196957455e-06, 6.0039575138337304e-05, 0.4197807152590408, 0.1266445923984828], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [5.590899205011988e-07, 3.0188533451880956e-06, 0.013430077460533376, 0.008429630126173532], "covariance": [[3.125815392060368e-13, -1.06055370550214e-12, -3.5694127079730463e-09, -3.774582949129653e-09], [-1.0605537055021402e-12, 9.113475519753355e-12, 3.9310613791680164e-08, 2.3242870750344497e-08], [-3.5694127079730488e-09, 3.9310613791680164e-08, 0.00018036698059592662, 9.569675534631608e-05], [-3.774582949129652e-09, 2.3242870750344494e-08, 9.569675534631608e-05, 7.10586640640924e-05]]}