{"coeffs": [-6.471578231750534e-07, 4.91504962787834e-05, 0.4193989088119543, 0.11414437681034952], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.8933879916609438e-07, 1.0235525498455116e-06, 0.005263247850431672, 0.0033333321504689004], "covariance": [[3.584918086965862e-14, -1.1087439805544766e-13, -4.019324775924029e-10, -4.759257303800057e-10], [-1.1087439805544757e-13, 1.0476598222952487e-12, 5.185120415959769e-09, 3.0731647213407362e-09], [-4.0193247759240316e-10, 5.18512041595977e-09, 2.7701777935073616e-05, 1.4475985809029561e-05], [-4.759257303800059e-10, 3.073164721340737e-09, 1.4475985809029558e-05, 1.1111103225349625e-05]]}