{"coeffs": [-0.0020683849568968863, 4.992132039090206e-06, -2.0740746831217725, 0.3152638875730483], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [1.6948756278859767, 5.671776091260747e-07, 260.0463536763402, 0.31421717175191766], "covariance": [[2.8726033940018834, -9.431585441833781e-07, 440.7461330970453, -0.5306162268472067], [-9.431585438737318e-07, 3.216904402939704e-13, -0.0001447279238855738, 1.771137039902302e-07], [440.7461330965587, -0.00014472792393298308, 67624.1060603602, -81.41747655956625], [-0.5306162267703006, 1.7711370402210363e-07, -81.41747654785638, 0.09873243102377413]]}