Are there any matrix-free solvers?
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Assessment
- Difficulty
- 5/5
- Estimated time
- Over a week
- Newbie friendliness
- 25/100
Research direction
The issue names no files, tests, or entry points. Start by reviewing the existing solver APIs and project documentation to determine whether matrix-free support already exists; the desired scope and completion criteria still need maintainer clarification.
Written by the indexing model from the issue text.
Description
Hi! Does ndarray support any matrix-free solvers?
In matrix-free solver, instead of x = solve(A, b), we run x = solve(f, b), where f is a function f(y) = Ay that can evaluate the product of A and any vector. This is useful in some situations where we don't need to store the entire matrix. https://en.wikipedia.org/wiki/Matrix-free_methods
This is Eigen's version: https://eigen.tuxfamily.org/dox/group__MatrixfreeSolverExample.html
- Dominant language
- Rust
- Stars
- 452
- Forks
- 95
- PR merge metrics
- No merged PRs in 30d
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