{"coeffs": [-3.8721320460475163e-07, 4.212701285434845e-05, 0.7484693058012337, 0.1638211720269727], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [6.151057598510787e-08, 4.91752456624386e-06, 0.030850440238578074, 0.005604598380430837], "covariance": [[3.783550958019729e-15, -2.328032987705699e-13, -1.4895162866302137e-09, -3.0447942453706515e-10], [-2.3280329877057324e-13, 2.4182047859611863e-11, 1.5151143156288136e-07, 2.6467802370232393e-08], [-1.4895162866302387e-09, 1.515114315628812e-07, 0.0009517496629140771, 0.00016795866294399856], [-3.044794245370675e-10, 2.64678023702322e-08, 0.00016795866294399758, 3.1411523005927955e-05]]}