Butterfly Factorization
Matlab M
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README.md

README.md

Butterfly Factorization (BF)

  • 1D Butterfly Factorization

    Butterfly factorization for all 1D problems.

  • 2D Butterfly Factorization

    • General Butterfly Factorization (GBF)

      Butterfly factorization for 2D problems without singularity at origin.

    • Polar Butterfly Factorization (PBF)

      Butterfly factorization for 2D problems with singularity at origin.

    • Multiscale Butterfly Factorization (MBF)

      Butterfly factorization for 2D problems with singularity at origin.