{"coeffs": [-4.496951296491756e-06, 8.058055483260807e-05, 0.5038766365218453, 0.2083837372205066], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [7.699961020053976e-07, 4.1199323392973524e-06, 0.01797322651856063, 0.010752182183457772], "covariance": [[5.928939971035067e-13, -2.7023879480042876e-12, -1.0896066697681185e-08, -7.83192315751391e-09], [-2.7023879480043074e-12, 1.6973842480388157e-11, 7.34526865939501e-08, 4.2701608689619764e-08], [-1.0896066697681295e-08, 7.345268659395021e-08, 0.0003230368714874911, 0.00018045011723840672], [-7.83192315751394e-09, 4.2701608689619625e-08, 0.00018045011723840588, 0.00011560942170626676]]}