{"coeffs": [-0.3942607206635184, 0.02983276398442835, -0.032362317950732834, 0.11450686026437006], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [9.574209350946205e-08, 1.9603404454244786e-07, 1.5055373540278167e-07, 1.4467594037495074e-07], "covariance": [[0.020640181568661906, -0.019890654775161803, 0.0011305047165877447, -0.02121107206744589], [-0.019890654775161807, 0.08653079121632067, 0.05084023537030262, 0.05400865317193316], [0.0011305047165877432, 0.05084023537030262, 0.05103765887196375, 0.02422474071223631], [-0.02121107206744589, 0.05400865317193316, 0.024224740712236303, 0.04713031061596407]]}