tensorflow / tensorflow/quantum

Enable channels in fidelity op

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area/core help wanted kind/feature-request skill-level/intermediate
Dominant language
Python
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Description

Currently using channels (noise or reset, either way non-unitary) is not supported in the fidelity operation. Perhaps the fidelity could be modified or a "noisy fidelity" could be added which approximates it. This was discussed in the 8/19/2021 TFQ meeting.

Contributor guide

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

No files, tests, or entry points are named in the issue. Start by locating the fidelity operation and its handling of noise and reset channels, then review the existing fidelity tests and the 8/19/2021 TFQ meeting discussion; done means establishing a decided approach for supporting or approximating non-unitary channels with corresponding tests.

Written by the indexing model from the issue text.

Assessment

Tech stack
python, tensorflow
Domain
machine-learning
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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