{"coeffs": [-1.0598932249629754e-05, 0.00013449446559487624, 0.6515307538206083, 0.2933460469162524], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.298785015874593e-06, 2.136203674728803e-05, 0.07479661424583793, 0.03180319945288385], "covariance": [[5.284412549209553e-12, -4.524602006743313e-11, -1.5651794220153095e-07, -7.128595177322906e-08], [-4.5246020067434363e-11, 4.563366139924841e-10, 1.5966634854129346e-06, 6.665951701914623e-07], [-1.565179422015355e-07, 1.5966634854129367e-06, 0.005594533502640686, 0.0023239009530302314], [-7.128595177323004e-08, 6.665951701914536e-07, 0.002323900953030198, 0.0010114434954399116]]}