Deflation is a well-known technique to accelerate Krylov subspace methods for solving linear systems of equations. In contrast to preconditioning, in deflation methods singular systems have to be s...

中文翻译：

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非对称矩阵的投影、紧缩和多重网格

紧缩是一种众所周知的技术，可以加速用于求解线性方程组的 Krylov 子空间方法。与预处理相反，在通货紧缩方法中，奇异系统必须...