linear systems of equations

• 线性方程组

linear systems of equations的用法和样例：

例句

1. Both methods result in tridiagonal systems of linear equations that can be solved efficiently.
   两种方法都形成了有效求解的三对角线的线性方程组。
2. In the elimination method of solving linear equations,pivot in an elimination step is a element with maximum-mod.
   在解线性方程组的消元法中，主元素指在某步消元时模最大的那个元素。