{"coeffs": [-1.0668257557123756e-07, 0.11697392247890166, 1.2646859807429893, 0.06706903140917565], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [2.776927772415329e-08, 179.68910717254928, 103.38347869110659, 0.00454327518844745], "covariance": [[7.711327853211562e-16, -2.0452786035024287e-06, -1.176894833432118e-06, -6.575587935747421e-11], [-2.0452786031499156e-06, 32288.1752364679, 18576.884841212617, 0.7812126517721873], [-1.1768948332461833e-06, 18576.88484121294, 10688.143666274489, 0.44948466739469867], [-6.575587935230242e-11, 0.7812126518058875, 0.44948466741412046, 2.0641349437962206e-05]]}