{"coeffs": [-2.959520458175352e-06, 0.29817848517288814, 2.006308830477877, 0.1850178745270981], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [2.34921947730619e-06, 83.30675279981531, 52.13680042540199, 0.021902417523879288], "covariance": [[5.518832152554768e-12, -0.00015901860718346567, -9.956533679116891e-05, -4.67215373124698e-08], [-0.00015901860717337514, 6940.015062049537, 4343.346273081401, 1.7692106681407624], [-9.956533678478127e-05, 4343.346273081757, 2718.245958598197, 1.1074581000171353], [-4.6721537310953135e-08, 1.7692106681886317, 1.1074581000470192, 0.00047971589339033455]]}