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Answer by Craig Gidney for Computing expectation value of a Pauli string on...

You can use stim.TableauSimulator.peek_observable_expectation to compute the expected value of Pauli product observables without affecting the simulator's state:import stims =...

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Computing expectation value of a Pauli string on stabilizer states

I need some help on stim, where I'm trying to compute expectation values of Pauli strings. Hopefully I did not overlook on the documentation an implementation of this method.Problem StatementGiven a...

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