qiskit/releasenotes/notes/0.24/fix-numpy-eigensolver-spars...

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---
fixes:
- |
Fixed a bug in the NumPy-based eigensolvers
(:class:`~.minimum_eigensolvers.NumPyMinimumEigensolver` /
:class:`~.eigensolvers.NumPyEigensolver`)
and in the SciPy-based time evolvers (:class:`.SciPyRealEvolver` /
:class:`.SciPyImaginaryEvolver`), where operators that support conversion
to sparse matrices, such as :class:`.SparsePauliOp`, were converted to dense matrices anyways.