{"coeffs": [-8.172452894314667e-07, 0.25010322031929294, 1.8277533011268716, 0.14870671152978013], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [6.025977053028593e-07, 99.33337942219163, 59.48646723751308, 0.012457768261576381], "covariance": [[3.631239944362717e-13, -4.366906967554174e-05, -2.6159958289343543e-05, -6.3403685645818335e-09], [-4.366906968130479e-05, 9867.120267433082, 5908.991195367467, 1.1915777136745485], [-2.6159958292744363e-05, 5908.991195366957, 3538.6397843997174, 0.7136761758273338], [-6.340368565003505e-09, 1.191577713611785, 0.713676175789939, 0.00015519599005913982]]}