该均衡器具有稀疏矩阵结构，因此计算量小。
The equalizer has a sparse matrix structure and thus a low computational complexity.
对于大稀疏矩阵，在计算中保持矩阵的稀疏性是很重要的。
For large sparse matrix, it is very important to keep the sparse of matrix in computation.
研究了计算大型稀疏对称矩阵的若干个最大或最小特征值的问题。
The problem of computing a few of the largest (or smallest) eigenvalues of a large sparse symmetric matrix is investigated.
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