{"coeffs": [-6.663785392580204e-07, 0.00029352663142489236, 0.7942094631888634, 0.15064271492490944], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.7682070710771854e-07, 4.878631309303165e-05, 0.037791845844547624, 0.005107036646938494], "covariance": [[7.662970388361731e-14, -9.927413866835875e-12, -7.889270922725288e-09, -1.2079732843490092e-09], [-9.927413866835951e-12, 2.3801043452113115e-09, 1.8412849928246334e-06, 2.3888961098482547e-07], [-7.889270922725385e-09, 1.841284992824632e-06, 0.0014282236123380513, 0.00018743369073659702], [-1.207973284349012e-09, 2.3888961098482414e-07, 0.00018743369073659615, 2.608182331317277e-05]]}