{"coeffs": [-1.042232142146984e-06, 4.8268884399141546e-05, 0.4096787022070046, 0.13636999618247003], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.3573019280309147e-06, 6.5525270491849765e-06, 0.037800762872455665, 0.024974234896413715], "covariance": [[1.8422685238364383e-12, -5.9321646742233436e-12, -2.592500693826116e-08, -2.823999846613717e-08], [-5.9321646742233476e-12, 4.2935610730300775e-11, 2.3976102951219473e-07, 1.505115685388022e-07], [-2.592500693826119e-08, 2.3976102951219473e-07, 0.0014288976737396226, 0.0007965604803894666], [-2.8239998466137186e-08, 1.5051156853880217e-07, 0.0007965604803894664, 0.0006237124086612486]]}