A semi matrix-free twogrid preconditioner for the Helmholtz equation with near optimal shifts (Q6101671)
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scientific article; zbMATH DE number 7698942
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | A semi matrix-free twogrid preconditioner for the Helmholtz equation with near optimal shifts |
scientific article; zbMATH DE number 7698942 |
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A semi matrix-free twogrid preconditioner for the Helmholtz equation with near optimal shifts (English)
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20 June 2023
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Helmholtz equation
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multigrid
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shifted Laplacian
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preconditioner
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nonlinear regression
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