JuliaArrays/BlockArrays.jl

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BlockArrays for Julia

Stars: 254
Forks: 39
Open beginner issues: 0
Indexed issues: 58

Dominant language: Julia
License: No license data
Last GitHub push: Sep 1, 2026
Latest indexed: Sep 18, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed
PR merge metrics: No merged PRs in 30d

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58 open issues indexed

Broadcasting fails for an interior zero-length block: `combine_blockaxes` drops it Open

Difficulty 3/5 1-2 days Newbie friendliness 78/100

JuliaArrays/BlockArrays.jl#512 · Opened Sep 10, 2026
Broadcasted setindex (surprisingly) silently doesn't do anything Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

JuliaArrays/BlockArrays.jl#498 · 2 comments · Opened Feb 13, 2026
Broadcasting BlockRange by integer types doesn't perform proper conversions Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

JuliaArrays/BlockArrays.jl#497 · Opened Feb 3, 2026
Multiplication of ComplexF64 and Float64 blocked matrices does not dispatch to BLAS Open

Difficulty 4/5 3-5 days Newbie friendliness 52/100

JuliaArrays/BlockArrays.jl#491 · Opened Nov 5, 2025
BUG: `BlockVector * Adjoint{BlockVector}` crashes Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

JuliaArrays/BlockArrays.jl#450 · 1 comment · Opened Feb 26, 2025
Allow block setindex with UniformScaling Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

JuliaArrays/BlockArrays.jl#449 · Opened Feb 17, 2025
`blockedrange([Base.OneTo(2), Base.OneTo(3)])` as a generalization of `blockedrange([2, 3])` Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

JuliaArrays/BlockArrays.jl#446 · 2 comments · Opened Feb 6, 2025
Handling zero sized blocks in assignment with broadcast and operation on self Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

JuliaArrays/BlockArrays.jl#444 · 1 comment · Opened Jan 8, 2025
exp/log/sqrt are not imported Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

JuliaArrays/BlockArrays.jl#439 · 1 comment · Opened Dec 7, 2024
`Diagonal(BlockVector) * BlockDiagonal` (and vice versa) fails Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

JuliaArrays/BlockArrays.jl#428 · Opened Nov 1, 2024
`Diagonal(BlockVector)[Block(i, i)]` is not `Diagonal` Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

JuliaArrays/BlockArrays.jl#427 · 2 comments · Opened Oct 31, 2024
Examples of mortar() for nd arrays? Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

JuliaArrays/BlockArrays.jl#414 · 3 comments · Opened Aug 7, 2024
Overlapping blocks: here or a new package? Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

JuliaArrays/BlockArrays.jl#413 · 7 comments · Opened Aug 6, 2024
Stackoverflow with broadcast += between Vector and scalar*BlockedVector Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

JuliaArrays/BlockArrays.jl#411 · Opened Jul 29, 2024
`+(::BlockVector, ::Vector)` promotes axis from `BlockedOneTo` to `BlockedUnitRange` Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

JuliaArrays/BlockArrays.jl#406 · Opened Jun 16, 2024
Failing to compile on 1.12 nightly Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaArrays/BlockArrays.jl#396 · 7 comments · Opened Apr 29, 2024
Overload dot Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaArrays/BlockArrays.jl#389 · 3 comments · Opened Apr 12, 2024
Definition of BlockUnitRange Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaArrays/BlockArrays.jl#373 · 3 comments · Opened Mar 31, 2024
Generic interface for constructing `AbstractBlockArray`s: `blocked(a::AbstractArray, blocklengths...)` Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaArrays/BlockArrays.jl#366 · Opened Mar 29, 2024
Functionality for slicing with unit ranges that preserves block information Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

JuliaArrays/BlockArrays.jl#347 · 8 comments · Opened Mar 21, 2024
There and back again: a block indexing tale Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

JuliaArrays/BlockArrays.jl#346 · 2 comments · 1 reaction · Opened Mar 21, 2024
Potential issue with `findblock[index]` for `BlockUnitRange` with `first != 1` Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

JuliaArrays/BlockArrays.jl#336 · 4 comments · Opened Mar 19, 2024
Err multiplying block array with `Diagonal` Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaArrays/BlockArrays.jl#325 · Opened Dec 20, 2023
ldiv! ambiguous for fully blocked problem Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

JuliaArrays/BlockArrays.jl#319 · 5 comments · Opened Nov 9, 2023
Add BandedMatrices extension Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaArrays/BlockArrays.jl#315 · 5 comments · Opened Oct 10, 2023
`Broadcast.broadcast_shape` for BlockedUnitRanges fails inference Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaArrays/BlockArrays.jl#310 · 12 comments · Opened Sep 19, 2023
Broadcasting regression with adjoints in 0.16.22 Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

JuliaArrays/BlockArrays.jl#237 · 1 comment · Opened Dec 27, 2022
Ambiguity causing broadcast overload Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

JuliaArrays/BlockArrays.jl#233 · 1 comment · Opened Nov 29, 2022
missing `similar` method for `PseudoBlockArray` (`mapslices` unusable) Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

JuliaArrays/BlockArrays.jl#226 · 4 comments · Opened Oct 11, 2022
Should we special-case block diagonal matrices? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaArrays/BlockArrays.jl#225 · 3 comments · Opened Oct 11, 2022
Regression in broadcasting between blockarray and normal array Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

JuliaArrays/BlockArrays.jl#223 · 2 comments · Opened Sep 20, 2022
Matrix multiplication error when using BlockArrays and CUDA Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

JuliaArrays/BlockArrays.jl#215 · 15 comments · Opened Jun 16, 2022
Support multi-threading Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaArrays/BlockArrays.jl#214 · Opened Jun 16, 2022
v[Block(1,2)] should error Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

JuliaArrays/BlockArrays.jl#206 · Opened Mar 30, 2022
Handle empty blocks upon `mortar` Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaArrays/BlockArrays.jl#203 · 3 comments · Opened Mar 5, 2022
ldiv for PseudoBlockMatrix two times slower than for native Matrix Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaArrays/BlockArrays.jl#195 · 2 comments · Opened Oct 6, 2021
Drop support for mixed blocks in broadcast? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaArrays/BlockArrays.jl#194 · Opened Sep 28, 2021
Structure of blocks matrix lost on broadcast or `similar` Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

JuliaArrays/BlockArrays.jl#190 · Opened Sep 14, 2021
Stack overflow when copying nested block array Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaArrays/BlockArrays.jl#186 · 1 comment · Opened Aug 26, 2021
Can't ldiv! a QR factorization with a BlockVector Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaArrays/BlockArrays.jl#185 · 11 comments · Opened Aug 11, 2021
Check dimensions match in PseudoBlockArray constructor Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

JuliaArrays/BlockArrays.jl#181 · Opened Aug 6, 2021
BLASify 5-arg mul! with Int alpha/beta Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

JuliaArrays/BlockArrays.jl#176 · Opened Jun 22, 2021
Linear indexing into block arrays Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaArrays/BlockArrays.jl#169 · 3 comments · Opened Mar 24, 2021
\ Operator with SparseMatrixCSC blocks calls dense Solver Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

JuliaArrays/BlockArrays.jl#157 · 1 comment · 2 reactions · Opened Feb 21, 2021
Add `blockvcat`, `blockhcat`, and `blockhvcat` Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

JuliaArrays/BlockArrays.jl#150 · 12 comments · Opened Feb 2, 2021
broadcasting not type stable Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaArrays/BlockArrays.jl#140 · 1 comment · Opened Nov 24, 2020
Use ArrayInterface.jl Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

JuliaArrays/BlockArrays.jl#134 · Opened Nov 8, 2020
BlockArray errors with generic linear algebra functions Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

JuliaArrays/BlockArrays.jl#131 · 1 comment · Opened Aug 7, 2020
Add blockdiagind() indexing function Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaArrays/BlockArrays.jl#130 · 1 comment · 1 reaction · Opened Aug 5, 2020
Support Symmetric Matrices Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

JuliaArrays/BlockArrays.jl#128 · 4 comments · Opened Jul 28, 2020

JuliaArrays/BlockArrays.jl

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