qiskit/releasenotes/notes/0.20/refactor-aux-operators-79d7...

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---
features:
- |
Added a new function, :func:`qiskit.algorithms.eval_observables`, which is
used to evaluate observables given a bound
:class:`~qiskit.circuit.QuantumCircuit`. It originates from a private
method, ``_eval_aux_ops()``, of the :class:`qiskit.algorithms.VQE` class but
the new :func:`~qiskit.algorithms.eval_observables` function is now more
general so that it can be used in other algorithms, for example time
evolution algorithms.