{"coeffs": [-1.4839149411536355e-07, -4.935965077456773e-10, -0.2962124348653215, 0.013132719895119578], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [3.6850145871537265e-08, 2.2260114947864645e-08, 0.032918078744051796, 0.03975981119685776], "covariance": [[1.357933250753575e-15, -3.180797111955575e-17, 2.543319102178859e-10, -3.46976309149681e-10], [-3.180797111955574e-17, 4.955127174921469e-16, 1.4458413227516948e-10, 1.8651638963940125e-10], [2.5433191021788596e-10, 1.445841322751695e-10, 0.0010835999081995945, 0.00030492181962623086], [-3.4697630914968095e-10, 1.8651638963940128e-10, 0.00030492181962623086, 0.0015808425864097754]]}