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Cannot use qr factorization with documented functionalities #1192

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denglerchr opened this issue Sep 7, 2023 · 1 comment
Open

Cannot use qr factorization with documented functionalities #1192

denglerchr opened this issue Sep 7, 2023 · 1 comment

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@denglerchr
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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.
@ojwoodford
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Yes, very surprised to find this doesn't work. Also ldiv! would be great.

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@ojwoodford @denglerchr