{"coeffs": [-0.4672914814171984, -0.20359350692765305, 4.003180973059649, 0.03471361769650591], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [1.1378450844162698e-07, 0.0, 0.0, 0.0], "covariance": [[0.01124868342821622, 0.0, 0.0, 0.0], [0.0, 0.0, 0.0, 0.0], [0.0, 0.0, 0.0, 0.0], [0.0, 0.0, 0.0, 0.0]]}