{"coeffs": [-1.7650171008311594e-07, -1.9529563582410226e-08, -0.1644276333164419, 0.025360067224256194], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [1.1970865283232418e-07, 9.834503358691013e-08, 0.17731853278212328, 0.15452032866682167], "covariance": [[1.4330161562929914e-14, -5.52575487217676e-16, 6.633500404394638e-09, -5.573010706943388e-09], [-5.525754872176759e-16, 9.671745631210483e-15, 4.439827756264535e-09, 3.874635902023797e-09], [6.633500404394638e-09, 4.439827756264536e-09, 0.03144186206800493, -0.0006397581238716083], [-5.573010706943388e-09, 3.874635902023798e-09, -0.0006397581238716083, 0.023876531971302593]]}