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OptiXDE: A fast optical-inspired solver for differential equations

Yang, Yang et al.
arXiv (All) · Papers
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numerical-analysis
OptiXDE is a matrix-free spectral operator framework for differential equations on uniform grids and embedded domains. Inspired by angular-spectrum propagation in Fourier optics, it maps transform-diagonal spatial operators to analytical modal multipliers and composes them with physical-space operat
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