{"coeffs": [-1.2168456405671827e-06, 6.592544015480184e-05, 0.4006679374785283, 0.1359731081469945], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.7142214018353668e-07, 7.608406860237236e-07, 0.0032163463721484055, 0.0022213398433813874], "covariance": [[2.93855501451041e-14, -8.681833223720218e-14, -2.6755777709242017e-10, -3.1755236791130817e-10], [-8.681833223720222e-14, 5.788785495090503e-13, 2.354443504345784e-09, 1.5509241098797161e-09], [-2.675577770924203e-10, 2.3544435043457835e-09, 1.034488398563221e-05, 5.9265213745437475e-06], [-3.1755236791130817e-10, 1.5509241098797155e-09, 5.9265213745437475e-06, 4.9343506997936476e-06]]}