{"coeffs": [-0.03771936128619406, 1.0442461719795066e-09, -1.910070851902103, 0.11093159236166468], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [14.364560565551953, 7.417828063226606e-08, 43.84301185302784, 0.45114899026150873], "covariance": [[206.34060024141021, -1.814721988584091e-08, 624.69851977477, -1.365750856854154], [-1.814721988566716e-08, 5.502417317559219e-15, -2.8031076146992653e-07, 1.8496493238843085e-08], [624.6985197747598, -2.80310761470343e-07, 1922.2096883447398, -6.585778453282265], [-1.3657508568533208, 1.849649323884323e-08, -6.585778453279814, 0.2035354114139789]]}