{"coeffs": [-7.168298112939938e-07, 0.21551331202986482, 1.8602881183959292, 0.14963798041467793], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [3.9252295941892117e-07, 89.80049712561734, 62.73680025489173, 0.011132197217787838], "covariance": [[1.5407427367098802e-13, -2.580800374363095e-05, -1.8035095443496652e-05, -3.7000093697702814e-09], [-2.580800374288634e-05, 8064.129284008008, 5633.795407477587, 0.9627778968601606], [-1.8035095443025115e-05, 5633.795407477689, 3935.9061062221836, 0.6726943866723039], [-3.7000093697142453e-09, 0.9627778968723659, 0.6726943866808576, 0.00012392581489572326]]}