leanprover-community / leanprover-community/mathlib4
Add typeclasses for smooth `(· • ·)`
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t-differential-geometry
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Description
- Add a typeclass for
∀ c, Smooth I I (c • ·). - Add a typeclass for
Smooth (I.prod J) J (Function.uncurry (· • ·))
See ContinuousConstSMul and ContinuousSMul for example of API.
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 ContinuousConstSMul and ContinuousSMul declarations and read their API. Add the two typeclasses described in the checklist for smooth constant scalar multiplication and uncurry scalar multiplication, then verify that both declarations match the requested Smooth signatures.
Written by the indexing model from the issue text.
Assessment
- Domain
- devtools
- Issue type
- Feature
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Quiet
- Clarity
- Mostly clear
- Newbie friendliness
- 62/100