{"coeffs": [-4.428513122214658e-08, 0.26338242602817846, 2.0845783451536337, 0.15007743803751694], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [1.0595007150470724e-07, 458.6039897435446, 262.09007952713256, 0.010695395887497095], "covariance": [[1.1225417651852576e-14, -3.563716551671595e-05, -2.036800660495529e-05, -9.606607172392603e-10], [-3.5637165532454854e-05, 210317.61940869715, 120195.55545213041, 4.724419256975224], [-2.0368006614064513e-05, 120195.55545212254, 68691.20978653866, 2.7000646901283267], [-9.606607174537176e-10, 4.724419256168662, 2.700064689666838, 0.00011439149319028978]]}