Stacking QSE #2267
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Just following up on our conversation in #2251 , can nothing can be stacked on top of QSE? If I wanted to use the |
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If you want to stack 2 QEM techniques which require different signatures for the required executor, you can sometimes still stack them if you can convert from one type to another. Suppose you have an executor with signature Footnotes
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If you want to stack 2 QEM techniques which require different signatures for the required executor, you can sometimes still stack them if you can convert from one type to another.
Suppose you have an executor with signature
ex: circuit -> density matrix
. When you apply Quantum Subspace Expansion withmitiq.qse.execute_with_qse
, it will return a float. You can think ofexecute_with_qse(ex, -)
1 as an executor with signaturecircuit -> float
which can then be fed into ZNE.Footnotes
Where
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represents the "argument" to this function. ↩