From stepwise integrations and low-rank updates to a pseudospectral solution operator matrix for the Helmholtz operator \(\frac{d}{dx} a(x) \frac{d}{dx} + c(x)\) (Q2233602)
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| Language | Label | Description | Also known as |
|---|---|---|---|
| English | From stepwise integrations and low-rank updates to a pseudospectral solution operator matrix for the Helmholtz operator \(\frac{d}{dx} a(x) \frac{d}{dx} + c(x)\) |
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From stepwise integrations and low-rank updates to a pseudospectral solution operator matrix for the Helmholtz operator \(\frac{d}{dx} a(x) \frac{d}{dx} + c(x)\) (English)
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11 October 2021
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spectral/pseudospectral methods
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integration preconditioning
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low-rank
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Sherman-Morrison-Woodbury
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