elementary transform method 初等变换法
elementary transform of matrix 矩阵初等变换
By using their ideas, this paper advanced an elementary transform method after having improved their two algorithms.
借鉴他们的思想，再对两种算法进行改进，提出一种“初等变换法。”
In this pater, using parametric transform method direct derive soliton wave equation of loss optical fibers and elementary soliton solution.
本文用参量变换法直接导出了有耗光纤的孤波方程及其基态孤子解。
One helpful way to determine the isomorphism of graphs is to use elementary operations on a graph adjacency matrix so as to transform one matrix into another.
判断图同构的一种有用的方法是对图的邻接矩阵进行初等变换，变成另一个图的邻接矩阵。
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