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Add expectation value measurement error mitigation #500

Merged
merged 39 commits into from
Sep 23, 2020
Merged

Add expectation value measurement error mitigation #500

merged 39 commits into from
Sep 23, 2020

Commits on Sep 18, 2020

  1. Move existing measurement error mitigation to legacy folder

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    chriseclectic committed Sep 18, 2020
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  2. Add Complete and Tensored measurement mitigator classes for expval mi… 

    …tigation

* Allow non-Z diagonal expval operators.
* Add function for returning mitigation overhead
* Add function for returning std-dev upper bound of estimation
* Add function for returning required shots for mitigation accuracy
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    chriseclectic committed Sep 18, 2020
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  3. Add CTMP error mitigation for operator expectation values 

    Co-Authored-By: George S. Barron <[email protected]>
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    chriseclectic and George S. Barron committed Sep 18, 2020
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  4. Move most CTMP functions to Mitigator class and fitter function

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    chriseclectic committed Sep 18, 2020
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  5. Add example notebook

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    chriseclectic committed Sep 18, 2020
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  6. Add assignment fidelity and plotting function to mitigator classes

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    chriseclectic committed Sep 18, 2020
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  7. Add mitigation matrix and assignment matrix functions to CTMP method 

    Base class functions that compute properties from A-matrix still need to be overloaded to be computed more efficiently using the rate and generator matrices.
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    chriseclectic committed Sep 18, 2020
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  8. Update example

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    chriseclectic committed Sep 18, 2020
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  9. Fix edge case where CTMP method failed if no measurement errors

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    chriseclectic committed Sep 18, 2020
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  10. Improve performance of local A-matrix function for CTMP method

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    chriseclectic committed Sep 18, 2020
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  11. Add optional Numba compiling to A-matrix fitting from calibration data

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    chriseclectic committed Sep 18, 2020
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  12. Combine fitters

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    chriseclectic committed Sep 18, 2020
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  13. Update notebook

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    chriseclectic committed Sep 18, 2020
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  14. Improve performance of CTMP sampling, add option to set RNG seed. 

    Due to Numba not really working well with Numpy random I had to pregenerate a large array of random samples outside of the compiled Numba functions in advance.
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    chriseclectic committed Sep 18, 2020
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  15. CTMP tests

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    George S. Barron authored and chriseclectic committed Sep 18, 2020
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  16. Add expectation_value function, return standard deviation of expval

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    chriseclectic committed Sep 18, 2020
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  17. update notebook

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    chriseclectic committed Sep 18, 2020
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  18. Update tests and inits

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    chriseclectic committed Sep 18, 2020
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  19. Remove old files

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    chriseclectic committed Sep 18, 2020
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  20. linting

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    chriseclectic committed Sep 18, 2020
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  21. Add support for qubits kwarg to CTMP method

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    chriseclectic committed Sep 18, 2020
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  22. Update notebook

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    chriseclectic committed Sep 18, 2020
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  23. Fix error

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    chriseclectic committed Sep 18, 2020
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  24. More efficient assignment fidelity for tensored mitigator

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    chriseclectic committed Sep 18, 2020
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  25. fix bug

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    chriseclectic committed Sep 18, 2020
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  26. Move expval mitigation folder

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    chriseclectic committed Sep 18, 2020
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  27. Rename files and change to current ignis API style

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    chriseclectic committed Sep 18, 2020
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  28. Remove subdirectories

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    chriseclectic committed Sep 18, 2020
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  29. Infer default method automatically from metadata

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    chriseclectic committed Sep 18, 2020
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  30. Add release note and numba optional dependency

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    chriseclectic committed Sep 18, 2020
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  31. fixup

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    chriseclectic committed Sep 18, 2020
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  32. Update readme

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    chriseclectic committed Sep 18, 2020
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  33. Linting

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    chriseclectic committed Sep 18, 2020
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  34. More linting

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    chriseclectic committed Sep 18, 2020
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Commits on Sep 22, 2020

  1. update mitigation API docs

    @chriseclectic
    chriseclectic committed Sep 22, 2020
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  2. Add additional tests of diagonal

    @chriseclectic
    chriseclectic committed Sep 22, 2020
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  3. remove example notebook

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    chriseclectic committed Sep 22, 2020
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Commits on Sep 23, 2020

  1. Fix docs and tests

    @chriseclectic
    chriseclectic committed Sep 23, 2020
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  2. Explain default behavior of clibts and qubits kwargs

    @chriseclectic
    chriseclectic committed Sep 23, 2020
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