{"coeffs": [-6.685888633283879e-06, 0.00013800198507261743, 0.6016974258919632, 0.23936247640845146], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.7393818244869941e-06, 2.364742976871544e-05, 0.07000032466933043, 0.02537768594955487], "covariance": [[3.0254491313557045e-12, -3.588446633617063e-11, -1.0523588074549451e-07, -4.205610344758787e-08], [-3.588446633617067e-11, 5.592009346663292e-10, 1.653897096444294e-06, 5.828898893461051e-07], [-1.0523588074549457e-07, 1.6538970964442942e-06, 0.004900045453811669, 0.001723614986403068], [-4.205610344758787e-08, 5.828898893461048e-07, 0.0017236149864030676, 0.0006440269441542346]]}