JuliaApproximation/MultivariateOrthogonalPolynomials.jl

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Supports approximating functions and solving differential equations on various higher dimensional domains such as disks and triangles

Stars: 20
Forks: 6
Open beginner issues: 0
Indexed issues: 21
Avg merge: 2d 17h
Merged PRs (30d): 1

Dominant language: Julia
License: No license data
Last GitHub push: Sep 17, 2026
Latest indexed: Sep 20, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed

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21 open issues indexed

Error when expanding one triangle basis function in another Open

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

JuliaApproximation/MultivariateOrthogonalPolynomials.jl#217 · 3 comments · Opened Mar 25, 2026
Finite sections of JacobiTriangle Jacobi matrices are ApplyArrays instead of BandedBlockBandedMatrices Open

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

JuliaApproximation/MultivariateOrthogonalPolynomials.jl#216 · 2 comments · Opened Mar 25, 2026
`RectPolynomial` tests for conversion/differentation don't test anything (other than it not erroring) Open

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

JuliaApproximation/MultivariateOrthogonalPolynomials.jl#206 · Opened Mar 1, 2025
Speed up mul! for Jacobi matrices (X, Y) Open

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

JuliaApproximation/MultivariateOrthogonalPolynomials.jl#190 · 14 comments · Opened Nov 12, 2024
Triangle examples in examples/triangleexamples.jl fail Open

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

JuliaApproximation/MultivariateOrthogonalPolynomials.jl#176 · 5 comments · Opened May 6, 2024
Lowering bug? Open

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

JuliaApproximation/MultivariateOrthogonalPolynomials.jl#141 · 8 comments · Opened Feb 17, 2023
JacobiTriangle() expansions failing in strange way Open

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

JuliaApproximation/MultivariateOrthogonalPolynomials.jl#140 · 2 comments · Opened Feb 10, 2023
Missing triangle functionality (Laplacian, restriction) Open

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

JuliaApproximation/MultivariateOrthogonalPolynomials.jl#139 · 2 comments · Opened Feb 5, 2023
How to make rotationally invariant solves fast? Open

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

JuliaApproximation/MultivariateOrthogonalPolynomials.jl#126 · 5 comments · Opened May 5, 2022
Fix plotting Open

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

JuliaApproximation/MultivariateOrthogonalPolynomials.jl#125 · 12 comments · Opened May 4, 2022
Generalized eigenvalue problems on a disc Open

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

JuliaApproximation/MultivariateOrthogonalPolynomials.jl#121 · 3 comments · Opened Apr 25, 2022
Weighted ∂ₓ on triangles errs Open

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

JuliaApproximation/MultivariateOrthogonalPolynomials.jl#115 · Opened Feb 4, 2022
Make evaluation of triangle functions type stable Open

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

JuliaApproximation/MultivariateOrthogonalPolynomials.jl#113 · Opened Oct 13, 2021
Weak Laplacians on disks? Open

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

JuliaApproximation/MultivariateOrthogonalPolynomials.jl#107 · Opened Sep 24, 2021
Ridge polynomials (on the disk)? Open

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

JuliaApproximation/MultivariateOrthogonalPolynomials.jl#89 · 2 comments · Opened Jun 4, 2021
Either: PartialDerivative{k}(<:Basis) or Inclusion(::Basis) should err (or both) Open

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

JuliaApproximation/MultivariateOrthogonalPolynomials.jl#88 · 5 comments · Opened Jun 4, 2021
Which notation is best? Open

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

JuliaApproximation/MultivariateOrthogonalPolynomials.jl#86 · 3 comments · Opened Jun 3, 2021
Add ZeroTo (somewhere)? Open

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

JuliaApproximation/MultivariateOrthogonalPolynomials.jl#85 · 1 comment · Opened Jun 3, 2021
Are these actually the adjoint Jacobi matrices? I.e. multiplication operators? Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

JuliaApproximation/MultivariateOrthogonalPolynomials.jl#84 · 1 comment · Opened Jun 3, 2021
Better syntax for x,y = first.(xy),last.(xy) Open

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

JuliaApproximation/MultivariateOrthogonalPolynomials.jl#82 · 2 comments · Opened Jun 3, 2021
New Operator: AngularMomentum Open

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

JuliaApproximation/MultivariateOrthogonalPolynomials.jl#81 · 2 comments · 1 reaction · Opened May 31, 2021

JuliaApproximation/MultivariateOrthogonalPolynomials.jl

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