Table 2 This table shows the expected bit values for a simple one bit subtraction. The circuit computes the difference
Measurements for the Result of Difference Circuit | ||||||
|---|---|---|---|---|---|---|
Q0 - Previous Carry | Q1 - Minuend | Q2 - Subtrahend | Q3 - Difference | Expected Measurement | % of the Expected Measurement | % of Correct Q3 |
0 | 0 | 0 | 0 | \(|0100\rangle\) | 61.426 | 75.293 |
0 | 0 | 1 | 1 | \(|1000\rangle\) | 66.016 | 77.247 |
0 | 1 | 0 | 1 | \(1010|\rangle\) | 35.059 | 72.267 |
0 | 1 | 1 | 0 | \(|0110\rangle\) | 42.871 | 65.918 |
1 | 0 | 0 | 1 | \(|1101\rangle\) | 48.047 | 59.083 |
1 | 0 | 1 | 0 | \(|0001\rangle\) | 58.105 | 70.703 |
1 | 1 | 0 | 0 | \(|0011\rangle\) | 50.586 | 72.754 |
1 | 1 | 1 | 1 | \(|1111\rangle\) | 50.098 | 69.728 |