{"coeffs": [-4.4235552611094175e-07, 0.23450704678373568, 1.7802287839130881, 0.1376169747252785], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [2.324855259714975e-07, 77.99427852772979, 46.02281235131453, 0.006937831661816135], "covariance": [[5.404951978624385e-14, -1.2616573063875166e-05, -7.446735596481831e-06, -1.3162973504194419e-09], [-1.2616573065684422e-05, 6083.107483061092, 3589.5158204807076, 0.5199135219152018], [-7.446735597563066e-06, 3589.515820480466, 2118.0992567243093, 0.3068214805892646], [-1.3162973505110918e-09, 0.5199135218866335, 0.30682148057240854, 4.813350816769844e-05]]}