{"coeffs": [-4.740950262275597e-07, 1.1429059236897752e-09, -0.3324170914470191, 0.03764868687206962], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [7.25965277529395e-08, 2.984182172294796e-08, 0.028417997462358426, 0.02432023142330661], "covariance": [[5.270255841783316e-15, -2.260525825291781e-16, 1.1930975248617942e-09, -9.823385758246254e-10], [-2.260525825291781e-16, 8.905343237442087e-16, 1.581701941371326e-10, 2.0450561688360095e-10], [1.1930975248617944e-09, 1.5817019413713262e-10, 0.0008075825797706099, -0.00018368735513320564], [-9.823385758246254e-10, 2.045056168836009e-10, -0.00018368735513320564, 0.0005914736564831903]]}