{"coeffs": [-9.486934619172171e-07, -3.4733064507926164e-08, -0.22337003716418233, 0.08239968811614128], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [5.674855506992681e-08, 2.7542318918368188e-08, 0.01821116069221731, 0.016136049742897812], "covariance": [[3.2203985025245165e-15, -4.529992421983564e-16, 7.214291671223425e-10, -6.612784074032754e-10], [-4.529992421983562e-16, 7.585793314011021e-16, 8.568043565212788e-11, 2.3866941221256987e-10], [7.214291671223425e-10, 8.568043565212785e-11, 0.00033164637375776085, -0.0001093069816309431], [-6.612784074032753e-10, 2.3866941221256987e-10, -0.0001093069816309431, 0.0002603721013052726]]}