{"coeffs": [-6.390105001711404e-06, 0.00018154337609429066, 0.5636900410493303, 0.19511238845990675], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.4455512021275604e-06, 2.3147305636638452e-05, 0.044448125104776005, 0.019646513339297903], "covariance": [[5.980720682227556e-12, -4.712445967792098e-11, -8.73261734226708e-08, -4.4833767153510995e-08], [-4.7124459677920915e-11, 5.357977582359543e-10, 1.026051947615304e-06, 4.3756669619500403e-07], [-8.732617342267067e-08, 1.0260519476153039e-06, 0.001975635825329819, 0.000831914040440948], [-4.483376715351094e-08, 4.3756669619500424e-07, 0.0008319140404409484, 0.00038598548639121044]]}