{"coeffs": [4.952748498773346e-09, 6.145321640276594e-05, 1.7472085305216698, 0.09792545517398454], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [9.643149472856327e-09, 0.5717856034875609, 911.197848444597, 0.37014504631891654], "covariance": [[9.299033175584926e-17, -3.1074750726700946e-09, -4.955635365874007e-06, -2.4350780636339834e-09], [-3.1074750729651855e-09, 0.32693877635563423, 521.0096329074904, 0.2034907047526244], [-4.955635366347508e-06, 521.0096329074428, 830281.5190100627, 324.35945355952765], [-2.435078063753372e-09, 0.20349070474621325, 324.35945354934046, 0.13700735531443287]]}