{"coeffs": [-0.4958063701429913, 0.00045793554213217175, 0.015903223241934196, 0.04016203919959132], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [1.8391977549089503e-07, 2.4291410395253996e-07, 1.3092544727407426e-07, 1.1622196227704764e-07], "covariance": [[0.006594768603629409, -0.0008768752104558928, 0.0013986390303379146, -0.0013076552523548504], [-0.0008768752104558925, 0.011503981326220013, 0.0025561431674848032, 0.0026563206473291744], [0.0013986390303379146, 0.0025561431674848037, 0.0033418798975494743, 0.00013708595262908207], [-0.0013076552523548504, 0.0026563206473291744, 0.00013708595262908207, 0.0026334138353261735]]}