{"coeffs": [-0.0010649559031112236, 3.9403913636775245e-08, -1.9888050860944217, 0.1966183010299617], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [0.9059469218629073, 2.5801158816111597e-08, 167.82303894797036, 0.06923543894583814], "covariance": [[0.8207398252328766, -1.4715138450168242e-08, 152.03866338351, -0.0581438121376413], [-1.4715138449959974e-08, 6.656997962542132e-16, -2.7288752052977715e-06, 1.4491510145289057e-09], [152.03866338350713, -2.7288752053420577e-06, 28164.572401731974, -10.775946386566195], [-0.058143812137255446, 1.4491510145381534e-09, -10.775946386494924, 0.00479354600602288]]}