On the connection between least squares, regularization, and classical shadows
Classical shadows (CS) offer a resource-efficient means to estimate quantum observables, circumventing the need for exhaustive state tomography. Here, we clarify and explore the connection between CS techniques and least squares (LS) and regularized least squares (RLS) methods commonly used in machi...
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| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
Verein zur Förderung des Open Access Publizierens in den Quantenwissenschaften
2024-08-01
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| Series: | Quantum |
| Online Access: | https://quantum-journal.org/papers/q-2024-08-29-1455/pdf/ |
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