在该结构中行变换和列变换是并行进行的，在完成两行的行变换之后就开始进行列变换。
In this architecture, the row transform and the column transform are running simultaneously, that is, the column transform starts immediately after two row transforms have finished.
利用这些规则，可以通过对无约束网络的不定导纳矩阵进行初等的行、列变换得到约束网络的导纳矩阵。
With the rules, the nodal admittance matrix can be obtained by simple row and column transformations in the unconstrained indefinite-admittance matrix.
利用矩阵的初等列变换，给出了求解多元线性不定方程的一种方法，该方法改进了传统方法计算量大、步骤多的缺点。
By elementary rank transformations of matrix, a method has been obtained to solve linear diophantine equation with some variables. The method overcomes the deficiency of traditional method.
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