JuliaLang/LinearAlgebra.jl

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Julia Linear Algebra standard library

Stars: 77
Forks: 65
Open beginner issues: 0
Indexed issues: 158
Avg merge: 3d 23h
Merged PRs (30d): 10

Dominant language: Julia
License: No license data
Last GitHub push: Sep 10, 2026
Latest indexed: Sep 18, 2026
Contributing guide: No contributing guide
Code of conduct: Code of conduct
Beginner labels: good first issue help wanted hacktoberfest

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158 open issues indexed

An API for Cache Size(s) Open

help wanted

JuliaLang/LinearAlgebra.jl#108 · 13 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
BLAS/LAPACK calls need numeric traits Open

JuliaLang/LinearAlgebra.jl#154 · 9 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
RFC: Completing the StridedArray interface Open

arrays design

JuliaLang/LinearAlgebra.jl#186 · 20 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Make GeneralizedEigen a real factorization Open

upstream

JuliaLang/LinearAlgebra.jl#230 · 1 comment · 3 reactions · 1 assignee · Indexed Sep 18, 2026
Missing matrix/factorization functions Open

good first issue Hacktoberfest

JuliaLang/LinearAlgebra.jl#253 · 10 comments · 2 reactions · 0 assignees · Indexed Sep 18, 2026
Linear Algebra operations with matrices of abstract element types are promoted incorrectly Open

bignums bug help wanted

JuliaLang/LinearAlgebra.jl#287 · 2 comments · 0 reactions · 1 assignee · Indexed Sep 18, 2026
`schurfact!` fails on `StridedMatrix` Open

JuliaLang/LinearAlgebra.jl#345 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
More systematically organize code handling interactions between various matrix types? Open

JuliaLang/LinearAlgebra.jl#348 · 2 comments · 1 reaction · 0 assignees · Indexed Sep 18, 2026
Conversion from vector to matrix through Matrix constructor Open

arrays

JuliaLang/LinearAlgebra.jl#357 · 7 comments · 1 reaction · 0 assignees · Indexed Sep 18, 2026
naivesub! (solving triangular systems): why the less performant choice? Open

performance

JuliaLang/LinearAlgebra.jl#366 · 20 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
requesting new method for * for: (real array)*(complex array) Open

performance

JuliaLang/LinearAlgebra.jl#395 · 30 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
gelsd! and gelsy! don't do what their documentation says Open

docs

JuliaLang/LinearAlgebra.jl#434 · 6 comments · 1 reaction · 0 assignees · Indexed Sep 18, 2026
Documentation of `pinv` is wrong; also, methods behave differently Open

docs

JuliaLang/LinearAlgebra.jl#444 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Broadcasting UniformScaling Operations Open

broadcast forget me not

JuliaLang/LinearAlgebra.jl#455 · 18 comments · 14 reactions · 0 assignees · Indexed Sep 18, 2026
QR factorization - unifying APIs Open

sparse

JuliaLang/LinearAlgebra.jl#510 · 4 comments · 1 reaction · 0 assignees · Indexed Sep 18, 2026
QR multiplication Open

needs decision

JuliaLang/LinearAlgebra.jl#512 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 18, 2026
Make size(F.Q) == size(Matrix(F.Q))? Open

docs

JuliaLang/LinearAlgebra.jl#513 · 6 comments · 3 reactions · 0 assignees · Indexed Sep 18, 2026
When to determine rank in dense pivoted QR? Open

needs decision

JuliaLang/LinearAlgebra.jl#514 · 2 comments · 4 reactions · 0 assignees · Indexed Sep 18, 2026
revisit decomposition iteration mechanism Open

JuliaLang/LinearAlgebra.jl#527 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 18, 2026
::SVD \ ::Vector is sensitive to singularity, should act like pinv Open

JuliaLang/LinearAlgebra.jl#547 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Disambiguate division and pseudo-division? Open

needs decision

JuliaLang/LinearAlgebra.jl#554 · 6 comments · 3 reactions · 0 assignees · Indexed Sep 18, 2026
LinearAlgebra: multiarg `checksquare` should perhaps be deprecated in favour of broadcasting Open

JuliaLang/LinearAlgebra.jl#559 · 2 comments · 4 reactions · 0 assignees · Indexed Sep 18, 2026
Should L1 and L∞ Norms of Integer Vectors/Matrices be Integers? Open

breaking needs decision

JuliaLang/LinearAlgebra.jl#575 · 18 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Speeding Up Julia's Matrix Powers Open

performance

JuliaLang/LinearAlgebra.jl#576 · 12 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Cholesky accessors of adjoints should return views Open

JuliaLang/LinearAlgebra.jl#581 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
negative p-norm of an empty collection Open

JuliaLang/LinearAlgebra.jl#584 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Deprecate norm(x,0) Open

breaking

JuliaLang/LinearAlgebra.jl#596 · 6 comments · 4 reactions · 0 assignees · Indexed Sep 18, 2026
inv returns wrong result for this SymTridiagonal([1., 0., 0.], [0., 1.]) Open

JuliaLang/LinearAlgebra.jl#601 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
A bug in rank() function in package LinearAlgebra Open

feature minor change

JuliaLang/LinearAlgebra.jl#604 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Dispatch to generic matrix product rather than gemm for reshaped transposed arrays Open

performance

JuliaLang/LinearAlgebra.jl#606 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
QR should check size of b in ldiv!(A::QR, b) Open

bug

JuliaLang/LinearAlgebra.jl#616 · 4 comments · 0 reactions · 1 assignee · Indexed Sep 18, 2026
ldiv! with transpose uses less allocations than ldiv! Open

JuliaLang/LinearAlgebra.jl#618 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 18, 2026
qrfactUnblocked! inconsistent with real/imag numbers Open

JuliaLang/LinearAlgebra.jl#1442 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
when should inv(factorization) be another factorization? Open

design

JuliaLang/LinearAlgebra.jl#635 · 5 comments · 1 reaction · 0 assignees · Indexed Sep 18, 2026
various problems with triangular ldiv! and rdiv! Open

performance

JuliaLang/LinearAlgebra.jl#636 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Update Docs for Cross Product of Complex Numbers Open

docs

JuliaLang/LinearAlgebra.jl#642 · 13 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
More accurate result for matrix acos(A) Open

JuliaLang/LinearAlgebra.jl#645 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Should \(SVD,...) truncate small singular values? Open

breaking needs decision

JuliaLang/LinearAlgebra.jl#652 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 18, 2026
Dividing diagonal by triangular matrix returns sparse matrix Open

performance

JuliaLang/LinearAlgebra.jl#660 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 18, 2026
BLAS threads should default to physical not logical core count? Open

multithreading

JuliaLang/LinearAlgebra.jl#671 · 55 comments · 30 reactions · 0 assignees · Indexed Sep 18, 2026
rank(Any[1 2; 3 4]) fails as one(Any) is not defined Open

JuliaLang/LinearAlgebra.jl#675 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
BLAS calls not assigned to callers in profiler Open

external dependencies

JuliaLang/LinearAlgebra.jl#676 · 7 comments · 1 reaction · 0 assignees · Indexed Sep 18, 2026
Extremely poor performance of auto global variable distribution with Diagonals Open

parallelism

JuliaLang/LinearAlgebra.jl#679 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
UniformScaling should be assignable in setindex!(::AbstractMatrix) Open

JuliaLang/LinearAlgebra.jl#686 · 4 comments · 3 reactions · 0 assignees · Indexed Sep 18, 2026
rdiv!(B, F::UpperHessenberg; shift::Number) does not return if shift=Inf Open

bug

JuliaLang/LinearAlgebra.jl#687 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Parallelize LinearAlgebra/addmul test Open

test

JuliaLang/LinearAlgebra.jl#690 · 4 comments · 2 reactions · 0 assignees · Indexed Sep 18, 2026
Norm along side axis Open

JuliaLang/LinearAlgebra.jl#697 · 5 comments · 1 reaction · 0 assignees · Indexed Sep 18, 2026
Shape of transpose(x)' differs for real and complex x Open

JuliaLang/LinearAlgebra.jl#703 · 25 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
eltype deduction regression in Julia 1.3 and above for generic matmul Open

JuliaLang/LinearAlgebra.jl#705 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Generic LAPACK.getrs! Open

JuliaLang/LinearAlgebra.jl#712 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026

JuliaLang/LinearAlgebra.jl

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