{"coeffs": [-8.388427762982557e-07, 0.3450076463197741, 1.9313698356966171, 0.1589131861072466], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [4.9526788250775e-07, 97.8780690766253, 45.34876566037474, 0.00848644782069426], "covariance": [[2.4529027544371047e-13, -3.6688932115955796e-05, -1.7003286117154765e-05, -3.6422914393408744e-09], [-3.66889321146472e-05, 9580.116406168634, 4438.649252076493, 0.8014422321386466], [-1.7003286116553813e-05, 4438.649252076589, 2056.510546919583, 0.37136436504668197], [-3.642291439276564e-09, 0.8014422321504285, 0.37136436505219744, 7.201979661336635e-05]]}