This article given another kind of proof using algebra method by system of homogeneous linear equations to the geometry question.
本文对这一几何问题利用齐次线性方程组给予了代数方法的又一种证明。
The article discusses rank of a matrix by the solution theorem of system of homogeneous linear equations, and proves several famous inequalities and two propositions on rank of a matrix.
利用齐次线性方程组解的理论讨论矩阵的秩，给出几个关于矩阵秩的著名不等式的证明，并证明了两个命题。
By plate's boundary condition we can found the homologous homogeneous linear system of equations.
由板的边界条件可以建立相应的齐次线形方程组。
By plate's boundary condition we can found the homologous homogeneous linear system of equations.
由板的边界条件可以建立相应的齐次线形方程组。
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