{"coeffs": [-1.703509594782858e-06, 6.426794810146745e-05, 0.4395629084962631, 0.1432734176833699], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [4.304922166458172e-07, 2.7136816039225068e-06, 0.012058751490990621, 0.006905328678115065], "covariance": [[1.853235485926292e-13, -8.069595844396055e-13, -3.027423623074338e-09, -2.5136291858466828e-09], [-8.069595844396049e-13, 7.36406784746743e-12, 3.216168714320223e-08, 1.7424081076580395e-08], [-3.0274236230743337e-09, 3.216168714320223e-08, 0.0001454134875214685, 7.376307311039729e-05], [-2.513629185846682e-09, 1.74240810765804e-08, 7.376307311039733e-05, 4.768356415279835e-05]]}