A banded sparse system matrix is obtained.

所得系统矩阵是一个带状稀疏矩阵。

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Large sparse system of linear equations are solved by sparse matrix methods.

利用稀疏矩阵技术求解大型稀疏线性方程组。

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Large sparse system of linear equations are solved by sparse matrix methods.

利用稀疏矩阵技术求解大型稀疏线性方程组。

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