{"coeffs": [-9.55145952316712e-07, 0.0002417164992715007, 1.1119717109620015, 0.21907040273722814], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.1065680105192044e-06, 0.0009160888316018943, 1.0542267749999532, 0.06884790794425134], "covariance": [[1.2244927619044303e-12, -8.742375318291923e-10, -1.0209963268081724e-06, -7.173413483922575e-08], [-8.742375318291133e-10, 8.392187473857238e-07, 0.0009652727508661507, 6.145167338876375e-05], [-1.0209963268080807e-06, 0.000965272750866157, 1.111394093126802, 0.07119656932326529], [-7.173413483922247e-08, 6.145167338876657e-05, 0.07119656932326808, 0.004740034428300107]]}