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oreilly-qc / oreilly-qc.github.io

Code samples for Programming Quantum Computers, from O'Reilly Media
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Missing value in Figure 7-6 #15

Closed cfpgomes closed 4 years ago

cfpgomes commented 4 years ago

Context and Issue

Although I am probably being nitpicky, I am not sure this was intentional. Figure 7-6 in Chapter 7: QFT: Quantum Fourier Transform, the value |15> is missing. Since this is a 4 qubit system, it should display 16 values, from |0> to |15>, unless stated otherwise. The missing value is important to have a good idea about the different visual patterns of the signals' values.

Suggestion

As aforementioned, if this value was not intentionally removed, I suggest adding the missing value to the figure, displaying all the 16 values.

machinelevel commented 4 years ago

Thank you! You're exactly correct, the final column is missing. Added (along with a corrected image in case you need it) to the errata page, in commit 370c5ce0c39ce9221abdf1a81923878569de303c