JuliaApproximation / JuliaApproximation/FastTransforms.jl
Add partial Fourier transforms
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- Dominant language
- Julia
- Stars
- 281
- Forks
- 27
- PR merge metrics
- No merged PRs in 30d
Description
Some seismic applications make use of partial sums involving a signal and the DFT matrix with variable summation limits. One approach decomposes the partial DFT hierarchically into rectangular subblocks that are related to fast convolution. This might require a HierarchicalDFTMatrix
Contributor guide
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
No source file, test, or entry point is named. Start by surveying the package's existing DFT transform implementations and tests, then determine whether a HierarchicalDFTMatrix can represent the proposed variable-limit partial sums and how its correctness and performance should be validated.
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Assessment
- Tech stack
- julia
- Domain
- performance
- Issue type
- Feature
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 20/100