Browsing by Author "Babb, Tracy"
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An accelerated Poisson solver based on multidomain spectral discretization Babb, Tracy; Gillman, Adrianna; Hao, Sijia; Martinsson, Per-Gunnar (2018)This paper presents a numerical method for variable coefficient elliptic PDEs with mostly smooth solutions on two dimensional domains. The method works best for domains that can readily be mapped onto a rectangle, or a collection of nonoverlapping rectangles. The PDE is discretized via a multi-domain spectral collocation method of high local order ...