{"coeffs": [-1.58679159363196e-07, 2.7108833630345067e-05, 0.647583388336778, 0.14394207285922234], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [4.946324163632067e-08, 2.849471706993385e-06, 0.026035597461033167, 0.005631242587541127], "covariance": [[2.4466122731730468e-15, -9.729746751594312e-14, -9.030509686137078e-10, -2.2913091644528518e-10], [-9.729746751594273e-14, 8.119489008955796e-12, 7.405787177856855e-08, 1.525367721958058e-08], [-9.030509686137035e-10, 7.405787177856858e-08, 0.0006778523351529568, 0.000141161149342402], [-2.291309164452848e-10, 1.525367721958061e-08, 0.0001411611493424022, 3.1710893079736886e-05]]}