{"coeffs": [-6.343436341046273e-07, 4.9340938018075755e-05, 0.42437347826787325, 0.11896368871049286], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.1706514498396142e-07, 1.2340915920721348e-06, 0.006464594599262961, 0.0039801038544930315], "covariance": [[4.71172771669082e-14, -1.5931757559350493e-13, -6.196762662603108e-10, -6.669757265337132e-10], [-1.5931757559350488e-13, 1.5229820576231362e-12, 7.725876716046576e-09, 4.456149711708502e-09], [-6.196762662603106e-10, 7.725876716046577e-09, 4.179098333281984e-05, 2.1632643879159804e-05], [-6.66975726533713e-10, 4.4561497117085034e-09, 2.1632643879159807e-05, 1.5841226692550283e-05]]}