rust-ndarray/ndarray

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ndarray: an N-dimensional array with array views, multidimensional slicing, and efficient operations

Stars: 4.3k
Forks: 391
Open beginner issues: 0
Indexed issues: 179

Dominant language: Rust
License: Apache-2.0
Last GitHub push: Jun 19, 2026
Latest indexed: Sep 21, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: help wanted good first issue
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

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179 open issues indexed

failed Send inference with ndarray v0.17 and uom 0.38 Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

rust-ndarray/ndarray#1617 · 1 comment · Opened Sep 9, 2026
Stack overflow in `triu` Open

bug good first issue

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

rust-ndarray/ndarray#1615 · 1 comment · Opened Sep 8, 2026
.is_all_nan() returns true for an all-finite array Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

rust-ndarray/ndarray#1612 · 1 comment · Opened Aug 8, 2026
Type covariance absent when used in struct Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

rust-ndarray/ndarray#1610 · Opened Jul 27, 2026
Empty Array lead to "The strides must not allow any element to be referenced by two different indices" Open

Difficulty 3/5 1-2 days Newbie friendliness 72/100

rust-ndarray/ndarray#1609 · Opened Jul 23, 2026
Accept owned arrays in `concatenate` and `stack` Open

breaking-change enhancement

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

rust-ndarray/ndarray#1591 · 2 comments · Opened May 1, 2026
Support for rand 0.10 Open

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

rust-ndarray/ndarray#1590 · 2 reactions · Opened Apr 24, 2026
[Feature request] `ArrayRef<A, Ix2>.dot()` for axis greater than `Ix2` Open

enhancement question

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

rust-ndarray/ndarray#1587 · 1 comment · Opened Mar 2, 2026
Links broken in `ArrayRef` documentation Open

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

rust-ndarray/ndarray#1583 · 1 reaction · Opened Feb 5, 2026
Testing new release candidate for approx Open

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

rust-ndarray/ndarray#1581 · 7 comments · Opened Jan 29, 2026
Clean up modules Open

docs good first issue tracking-issue

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

rust-ndarray/ndarray#1566 · 3 comments · Opened Jan 4, 2026
Remove uses of doc(hidden) to create private APIs Open

docs tracking-issue

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

rust-ndarray/ndarray#1564 · 4 comments · Opened Jan 4, 2026
Fork-Union for parallelization? Open

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

rust-ndarray/ndarray#1556 · 4 comments · 1 reaction · Opened Dec 10, 2025
Improve debugger visualization for `ndarray` arrays using `#[debugger_visualizer]` Open

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

rust-ndarray/ndarray#1519 · 5 reactions · Opened Jun 9, 2025
any equivalent to np.tensordot? Open

good first issue

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

rust-ndarray/ndarray#1517 · 3 comments · Opened Jun 3, 2025
RFC: Comprehensive Plan for Restructuring Dimension Types Open

tracking-issue

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

rust-ndarray/ndarray#1506 · 12 comments · 12 reactions · Opened Apr 24, 2025
RFC: Website for Expanded Documentation Open

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

rust-ndarray/ndarray#1499 · 4 comments · 2 reactions · Opened Mar 30, 2025
Tracking Issue for no_std Open

tracking-issue

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

rust-ndarray/ndarray#1496 · Opened Mar 25, 2025
Feature Request: Unpacking Array<[A; N], D> into Array<A, D::Larger> Open

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

rust-ndarray/ndarray#1466 · 5 comments · Opened Dec 20, 2024
BaseArray::abs(&self) isn't implemented for integers (isize, i64, etc) Open

enhancement

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

rust-ndarray/ndarray#1462 · 5 comments · Opened Dec 5, 2024
RFC: MSRV Policy Open

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

rust-ndarray/ndarray#1455 · 2 comments · Opened Nov 22, 2024
Array comparison operators/functions Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 32/100

rust-ndarray/ndarray#1431 · 4 comments · Opened Aug 28, 2024
Taming Floating-Point Sums Open

enhancement

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

rust-ndarray/ndarray#1391 · Opened May 25, 2024
Add support for BLAS Syrk Open

enhancement

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

rust-ndarray/ndarray#1358 · 6 comments · 3 reactions · Opened Feb 6, 2024
ndarray::ArrayViewMut::windows should produce mutable windows Open

design-needed information needed

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

rust-ndarray/ndarray#1357 · 2 comments · Opened Feb 5, 2024
Slow iteration because of `IxDyn` Open

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

rust-ndarray/ndarray#1340 · 2 comments · 1 reaction · Opened Dec 9, 2023
add associated constructor to `Dimension` trait Open

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

rust-ndarray/ndarray#1330 · 4 comments · Opened Sep 29, 2023
mapv_into_any doesn't respect storage type Open

enhancement

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

rust-ndarray/ndarray#1280 · 12 comments · Opened Apr 27, 2023
Maintainership roundtable and discussion Open

Difficulty 5/5 Over a week Newbie friendliness 10/100

rust-ndarray/ndarray#1272 · 76 comments · 17 reactions · Opened Mar 20, 2023
impl Mul<Array<Complex<T>>> for T Open

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

rust-ndarray/ndarray#1260 · 5 comments · Opened Jan 19, 2023
Should the examples inside the `examples` folder be moved to the repo `ndarray-examples`? Open

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

rust-ndarray/ndarray#1254 · 2 comments · Opened Dec 29, 2022
Array bounds/contains check? Open

enhancement good first issue

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

rust-ndarray/ndarray#1247 · 7 comments · Opened Dec 18, 2022
impl ScalarOperand for Ratio<i32 and i64> Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 38/100

rust-ndarray/ndarray#1229 · 2 comments · Opened Nov 12, 2022
Feature suggestion: impl Default for Zip, and add Zip::with_shape() constructor Open

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

rust-ndarray/ndarray#1227 · 1 comment · Opened Nov 2, 2022
Document all array creation methods in one place Open

docs

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

rust-ndarray/ndarray#1218 · 1 comment · 2 reactions · Opened Oct 7, 2022
More `par_map_collect`? Open

enhancement

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

rust-ndarray/ndarray#1216 · Opened Oct 4, 2022
Add docs on how to write a function for both owned arrays and views Open

docs

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

rust-ndarray/ndarray#1212 · 1 comment · Opened Sep 29, 2022
Lifetime issues with `slice` methods Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

rust-ndarray/ndarray#1208 · 5 comments · Opened Sep 19, 2022
Use references for scalar operands Open

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

rust-ndarray/ndarray#1200 · 1 comment · Opened Aug 28, 2022
Exact Chunks Parallel Iterator Open

enhancement help wanted

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

rust-ndarray/ndarray#1192 · 1 comment · Opened Jul 31, 2022
`par_map_axis`? Open

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

rust-ndarray/ndarray#1181 · 2 comments · 2 reactions · Opened Jul 4, 2022
How to make zip work with more than 6 elements? Open

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

rust-ndarray/ndarray#1175 · 6 comments · 2 reactions · Opened Jul 1, 2022
'into_shape()' incompatible memory layout error Open

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

rust-ndarray/ndarray#1172 · 2 comments · Opened Jun 24, 2022
Outer product Open

Difficulty 3/5 1-2 days Newbie friendliness 52/100

rust-ndarray/ndarray#1148 · 2 comments · 2 reactions · Opened Jan 20, 2022
Fixed axis length support similiar to `Eigen` Open

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

rust-ndarray/ndarray#1136 · 2 comments · 1 reaction · Opened Dec 17, 2021
Checked Subtract Support Open

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

rust-ndarray/ndarray#1133 · 2 comments · Opened Dec 10, 2021
Correct (fast) way to convert `Array2<RGBA8>` into `Array3<u8>`? Open

enhancement

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

rust-ndarray/ndarray#1125 · 2 comments · Opened Nov 29, 2021
Compiler error message is unhelpful when trying `ndarray::s!([2..3])` Open

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

rust-ndarray/ndarray#1122 · Opened Nov 27, 2021
More informative messages when index out of bound Open

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

rust-ndarray/ndarray#1121 · Opened Nov 27, 2021
Merge tests/ into fewer test crates Open

enhancement

rust-ndarray/ndarray#1117 · 1 assignee · Opened Nov 20, 2021

rust-ndarray/ndarray

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