{"coeffs": [-8.330294438414674e-06, 0.000251806080568464, 0.8156072099053295, 0.2842524000339705], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.408215925267422e-06, 5.5881105146023774e-05, 0.10032424165446643, 0.02212467064337209], "covariance": [[1.9830720921767818e-12, -7.138553345938035e-11, -1.2927519296997105e-07, -3.014362384858404e-08], [-7.138553345938205e-11, 3.122697912340965e-09, 5.60349809963771e-06, 1.211064031777382e-06], [-1.2927519296997417e-07, 5.603498099637703e-06, 0.010064953463543778, 0.0021850605971768574], [-3.014362384858446e-08, 1.2110640317773692e-06, 0.0021850605971768366, 0.0004895010510776908]]}