JuliaArrays / JuliaArrays/StaticArrays.jl
Cannot use qr factorization with documented functionalities
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- Dominant language
- Julia
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Description
The docs when using ?StaticArrays.qr in the Repl writes that: The following functions are available for the QR objects: inv, size, and \.
However, this seems to not be true for the array types in StaticArrays.
using StaticArrays
A = randn(4, 3)
b = randn(4)
StaticArrays.qr(A)\b # works fine
A_static = SMatrix{4, 3}(A)
b_static = SVector{4}(b)
StaticArrays.qr(A_static)\b_static # not working
It would be great to have this functionality implemented.
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First steps
- Read the whole issue, then the project's contributing guide.
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Research direction
Start with the documented StaticArrays.qr functionality and run the supplied Julia reproduction comparing dynamic arrays with SMatrix and SVector. Inspect the QR support for static array types; done means StaticArrays.qr(A_static)\b_static works consistently with the documented operations.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- julia
- Domain
- backend
- Issue type
- Feature
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100