{"coeffs": [-6.460149157944331e-06, 0.00011117704411912472, 0.4807128883810958, 0.19778015226266268], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.5777304014117507e-06, 1.2031568140288325e-05, 0.03603265019442782, 0.023517300652624983], "covariance": [[6.644694022362386e-12, -2.5969024169320382e-11, -6.963370635206061e-08, -5.695727530344384e-08], [-2.5969024169320386e-11, 1.4475863191440106e-10, 4.27991797155836e-07, 2.7158841767298333e-07], [-6.963370635206063e-08, 4.2799179715583603e-07, 0.0012983518800339993, 0.0007769739617528234], [-5.6957275303443846e-08, 2.7158841767298333e-07, 0.0007769739617528231, 0.0005530634299859555]]}