{"coeffs": [-2.056899775343523e-06, 0.011938597402868015, 1.585494254331384, 0.18020252090930056], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [2.0661561478541053e-06, 1.0628195506459266, 16.485487312093937, 0.05690072996037421], "covariance": [[4.269001227315316e-12, -1.7645514145654823e-06, -2.7444375784076582e-05, -1.0601659366306656e-07], [-1.764551414559547e-06, 1.1295853972352095, 17.52091578648344, 0.05858283960250555], [-2.7444375783981284e-05, 17.520915786483894, 271.7712919172102, 0.9097338822502167], [-1.0601659366288389e-07, 0.05858283960259136, 0.9097338822515242, 0.003237693070023427]]}