{"coeffs": [-2.042365200910964e-07, 0.16574957648802838, 1.3936115254814894, 0.08366533583015286], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-07, "errors": [3.1077376852699265e-07, 833.1990931878566, 422.43965104048715, 0.02669945106518712], "covariance": [[9.658033520446881e-14, -0.0001244511956034424, -6.310865854783006e-05, -5.006664830023608e-09], [-0.00012445119556501926, 694220.7288890666, 351976.32880349417, 21.245138107170902], [-6.310865852914653e-05, 351976.3288035126, 178455.25877120855, 10.772065067030214], [-5.0066648291980384e-09, 21.245138109147064, 10.772065068033143, 0.0007128606871823216]]}