{"coeffs": [-9.343490016262147e-08, 0.17959702688387513, 1.2193912623303962, 0.061653316222724706], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [2.1525805182528875e-08, 183.6268138596748, 63.20401797622905, 0.0024937338741482453], "covariance": [[4.63360288756187e-16, -1.5337263033843158e-06, -5.279673857681043e-07, -2.652130965860345e-11], [-1.5337263027922993e-06, 33718.80676825566, 11605.95237383856, 0.4388218279332884], [-5.279673855585079e-07, 11605.952373839, 3994.747888339485, 0.15104663113683187], [-2.6521309652734495e-11, 0.43882182797851815, 0.15104663115240624, 6.2187086350744164e-06]]}