Fast directional multilevel summation for oscillatory kernels based on Chebyshev interpolation
Journal of Computational Physics(2012)
摘要
Many applications lead to large systems of linear equations with dense matrices. Direct matrix-vector products become prohibitive, since the computational cost increases quadratically with the size of the problem. By exploiting specific kernel properties fast algorithms can be constructed.
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关键词
Fast multilevel summation,Oscillatory kernel,Chebyshev interpolation
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