Table 1 Search space of and performance of WBH-based QAOA method.
From: A quantum approximate optimization method for finding Hadamard matrices
No | Order | Qubit | Search Space | xRAR | ||
|---|---|---|---|---|---|---|
Mean | \(\sigma\) | Max | ||||
1 | 12/36 | 8 | 256 | 3.86 | 0.14 | 4.00 |
2 | 20/60 | 12 | 4,096 | 1.83 | 1.58 | 6.13 |
3 | 28/112 | 16 | 65,536 | 1.00 | 0.48 | 2.13 |
4 | 36/108 | 20 | 1,048,576 | 1.10 | 0.29 | 1.62 |
5 | 44/132 | 24 | 16,777,216 | 1.30 | 0.82 | 3.58 |
6 | 52/156 | 28 | 268,435,456 | - | - | - |
7 | 60/180 | 32 | 4,294,967,296 | - | - | - |
