quad_form_diag derivatives
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Nobody has claimed this yet.
feature
good first issue
- Dominant language
- C++
- Stars
- 839
- Forks
- 220
- Avg merge
- 2d 4h
- Merged PRs (30d)
- 14
Description
Provide a reverse-mode specialization for quad_form_diag.
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by locating the existing quad_form_diag implementation and its forward-mode specialization in the Stan Math Library. Compare nearby reverse-mode specializations, then add coverage for the reverse-mode derivatives and run the relevant tests to confirm the specialization matches the expected gradients.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- cpp
- Domain
- backend
- Issue type
- Feature
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 35/100