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Fix the aggregation argument of SamplingVQE #9221

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merged 4 commits into from
Dec 5, 2022

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Cryoris
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@Cryoris Cryoris commented Dec 1, 2022

Summary

In the SamplingVQE the aggregation was not passed to the _DiagonalEstimator and therefore had no effect!
Also fixed a bug in the CVaR aggregation function, which overshot the expected value and improved the docs to include an explanation how a custom aggregation should look like.

Thanks @t-imamichi for finding the bug!

The aggregation was not passed to the DiagonalEstimator and had no effect. Also fixed  a bug in the CVaR aggregation function, which overshot the expected value and improved the docs.

Co-authored-by: Takashi Imamichi <[email protected]>
@Cryoris Cryoris added stable backport potential The bug might be minimal and/or import enough to be port to stable Changelog: Bugfix Include in the "Fixed" section of the changelog labels Dec 1, 2022
@Cryoris Cryoris requested review from a team, manoelmarques and woodsp-ibm as code owners December 1, 2022 11:06
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coveralls commented Dec 1, 2022

Pull Request Test Coverage Report for Build 3618073711

  • 1 of 2 (50.0%) changed or added relevant lines in 2 files are covered.
  • 3 unchanged lines in 1 file lost coverage.
  • Overall coverage decreased (-0.04%) to 84.559%

Changes Missing Coverage Covered Lines Changed/Added Lines %
qiskit/algorithms/minimum_eigensolvers/diagonal_estimator.py 0 1 0.0%
Files with Coverage Reduction New Missed Lines %
qiskit/pulse/library/waveform.py 3 91.49%
Totals Coverage Status
Change from base Build 3617609084: -0.04%
Covered Lines: 62957
Relevant Lines: 74453

💛 - Coveralls

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Thank you for the fix!

@woodsp-ibm woodsp-ibm mentioned this pull request Dec 4, 2022
@mergify mergify bot merged commit 0fe47d2 into Qiskit:main Dec 5, 2022
mergify bot pushed a commit that referenced this pull request Dec 5, 2022
* Fix the ``aggregation`` argument of ``SamplingVQE``

The aggregation was not passed to the DiagonalEstimator and had no effect. Also fixed  a bug in the CVaR aggregation function, which overshot the expected value and improved the docs.

Co-authored-by: Takashi Imamichi <[email protected]>

* Update qiskit/algorithms/minimum_eigensolvers/diagonal_estimator.py

Co-authored-by: Takashi Imamichi <[email protected]>

Co-authored-by: Takashi Imamichi <[email protected]>
Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>
(cherry picked from commit 0fe47d2)
Cryoris added a commit to Cryoris/qiskit-terra that referenced this pull request Jan 12, 2023
* Fix the ``aggregation`` argument of ``SamplingVQE``

The aggregation was not passed to the DiagonalEstimator and had no effect. Also fixed  a bug in the CVaR aggregation function, which overshot the expected value and improved the docs.

Co-authored-by: Takashi Imamichi <[email protected]>

* Update qiskit/algorithms/minimum_eigensolvers/diagonal_estimator.py

Co-authored-by: Takashi Imamichi <[email protected]>

Co-authored-by: Takashi Imamichi <[email protected]>
Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>
mergify bot added a commit that referenced this pull request Jan 13, 2023
* Fix the ``aggregation`` argument of ``SamplingVQE``

The aggregation was not passed to the DiagonalEstimator and had no effect. Also fixed  a bug in the CVaR aggregation function, which overshot the expected value and improved the docs.

Co-authored-by: Takashi Imamichi <[email protected]>

* Update qiskit/algorithms/minimum_eigensolvers/diagonal_estimator.py

Co-authored-by: Takashi Imamichi <[email protected]>

Co-authored-by: Takashi Imamichi <[email protected]>
Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>
(cherry picked from commit 0fe47d2)

Co-authored-by: Julien Gacon <[email protected]>
Co-authored-by: Jake Lishman <[email protected]>
Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>
ElePT pushed a commit to ElePT/qiskit that referenced this pull request Jun 27, 2023
* Fix the ``aggregation`` argument of ``SamplingVQE``

The aggregation was not passed to the DiagonalEstimator and had no effect. Also fixed  a bug in the CVaR aggregation function, which overshot the expected value and improved the docs.

Co-authored-by: Takashi Imamichi <[email protected]>

* Update qiskit/algorithms/minimum_eigensolvers/diagonal_estimator.py

Co-authored-by: Takashi Imamichi <[email protected]>

Co-authored-by: Takashi Imamichi <[email protected]>
Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>
ElePT pushed a commit to ElePT/qiskit-algorithms-test that referenced this pull request Jul 17, 2023
* Fix the ``aggregation`` argument of ``SamplingVQE``

The aggregation was not passed to the DiagonalEstimator and had no effect. Also fixed  a bug in the CVaR aggregation function, which overshot the expected value and improved the docs.

Co-authored-by: Takashi Imamichi <[email protected]>

* Update qiskit/algorithms/minimum_eigensolvers/diagonal_estimator.py

Co-authored-by: Takashi Imamichi <[email protected]>

Co-authored-by: Takashi Imamichi <[email protected]>
Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>
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Changelog: Bugfix Include in the "Fixed" section of the changelog mod: algorithms Related to the Algorithms module stable backport potential The bug might be minimal and/or import enough to be port to stable
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5 participants