Table 3.

Three-node line B.

Number of Instances	Small (50)	Medium (200)	Large (1000)
ME	−9.3 ×10−4	−7.8 ×10−5	−9.6 ×10−5
RMSE	0.0082	0.0018	0.0014
Best Fidelity	0.9227	0.9188	0.9709

The optimal control state for this network is $\frac{1}{\sqrt{2}}\left[|0\rangle +|1\rangle \right]$ ⊗ $|1\rangle$  $[\cos (\pi \mathrm{/3)}|0\rangle +\sin (\pi \mathrm{/3)}|1\rangle ]$, while the result of the analysis is $\mathrm{(0.7512}|0\rangle +0.66|1\rangle )$  $\mathrm{(0.1599}|0\rangle +0.9871|1\rangle )$  $\mathrm{(0.4936}|0\rangle +0.8697|1\rangle )$.