{"coeffs": [-7.180952476823473e-09, 0.0406338573354352, 1.2509540910322499, 0.06862257083876201], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [2.914120155147405e-08, 245.37418109615203, 411.42203811635386, 0.015982252813567133], "covariance": [[8.492096278636335e-16, -2.85222896082688e-06, -4.7829303485020635e-06, -2.372900842846407e-10], [-2.852228962763595e-06, 60208.48874860722, 100952.34506303901, 3.750139821506319], [-4.782930351594629e-06, 100952.34506303193, 169268.09344781452, 6.288121235640312], [-2.3729008436801574e-10, 3.7501398207835206, 6.288121234427627, 0.0002554324049967745]]}