{"coeffs": [7.18442984092325e-08, 5.8304591396896665e-06, 0.6989292468938416, 0.0745547015955545], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [1.0237684450085835e-08, 1.181617626643107e-06, 0.026710987083973268, 0.005134449321509931], "covariance": [[1.0481018289952932e-16, -5.391512402950947e-15, -1.2367669159515934e-10, -2.970562741691142e-11], [-5.391512402950955e-15, 1.396220215593689e-12, 3.150233355705253e-08, 5.755820859974843e-09], [-1.2367669159515934e-10, 3.1502333557052525e-08, 0.0007134768310001867, 0.00013190634658220954], [-2.970562741691148e-11, 5.755820859974842e-09, 0.00013190634658220954, 2.6362569835153787e-05]]}