{"coeffs": [-9.439027782569575e-05, 1.8040796730649077e-07, -0.5976400974136908, 0.15306152069698495], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [5.3655691464710814e-05, 1.9748248974323988e-07, 0.12855226113178805, 0.015480367389136891], "covariance": [[2.878933226556241e-09, -6.633489773531804e-12, 6.8867625360980054e-06, -7.897224794701886e-07], [-6.633489773531768e-12, 3.899933375518884e-14, -1.6414299468015108e-08, 2.325174353423146e-09], [6.886762536098e-06, -1.6414299468015194e-08, 0.016525683842095427, -0.0019214209324722017], [-7.897224794701859e-07, 2.3251743534231628e-09, -0.0019214209324721968, 0.00023964177450265292]]}