{"coeffs": [-6.911906878350844e-07, 6.704113219902443e-05, 0.45999767274115827, 0.11827146947943176], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.639052650788396e-07, 2.172115379460038e-06, 0.008199683309322291, 0.004239018778295813], "covariance": [[6.964598893633261e-14, -3.3924090470248063e-13, -1.06917901663487e-09, -8.508885978778769e-10], [-3.3924090470248073e-13, 4.718085221686825e-12, 1.7510615559673433e-08, 8.43211497157628e-09], [-1.0691790166348715e-09, 1.751061555967344e-08, 6.723480637317854e-05, 3.068158620374244e-05], [-8.508885978778775e-10, 8.432114971576282e-09, 3.068158620374243e-05, 1.7969280202744525e-05]]}