{"coeffs": [-5.0823445503845847e-08, 7.410672278064614e-06, 0.5289995014522826, 0.09081510579454763], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [2.1722765443792517e-08, 1.8896724318705302e-06, 0.0374880114487803, 0.00668312974316218], "covariance": [[4.718785385260263e-16, -3.2431705603545876e-14, -6.530792238674883e-10, -1.288231512879789e-10], [-3.243170560354583e-14, 3.5708618997714836e-12, 7.077540540425515e-08, 1.2233979648523304e-08], [-6.530792238674868e-10, 7.077540540425515e-08, 0.0014053510023838828, 0.00024475904604958753], [-1.2882315128797902e-10, 1.2233979648523304e-08, 0.00024475904604958753, 4.4664223163938986e-05]]}