{"coeffs": [-6.237544841986245e-06, 0.00014522418762865087, 0.6712548697859316, 0.25808492550219836], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.2690621111366194e-06, 2.4356529757803094e-05, 0.07243496246887457, 0.022168388506053845], "covariance": [[1.6105186419225332e-12, -2.7476274433886982e-11, -8.175980407398596e-08, -2.700769435170433e-08], [-2.7476274433887166e-11, 5.932405418427476e-10, 1.7633651252251923e-06, 5.265547797780347e-07], [-8.175980407398648e-08, 1.7633651252251921e-06, 0.005246823787867267, 0.001569662736887132], [-2.7007694351704403e-08, 5.265547797780334e-07, 0.0015696627368871278, 0.0004914374489553402]]}