{"coeffs": [-7.427083641494462e-08, 0.05254974086598766, 1.242666335085523, 0.06886619181530512], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [2.0795851812054422e-08, 42.849358549609626, 55.99817040880881, 0.004317908217559841], "covariance": [[4.324674525889272e-16, -3.71728767773334e-07, -4.85900765646935e-07, -4.760126276703868e-11], [-3.717287677128611e-07, 1836.0675281130034, 2399.4856316767246, 0.17697517719169287], [-4.859007655672211e-07, 2399.4856316768, 3135.7950891339906, 0.23129643411369202], [-4.760126276230781e-11, 0.17697517719997424, 0.23129643412451784, 1.8644331375270804e-05]]}