linear systems of equations的用法和樣例：
例句
- Both methods result in tridiagonal systems of linear equations that can be solved efficiently.
兩種方法都形成了有效求解的三對角線的線性方程組。 - In the elimination method of solving linear equations,pivot in an elimination step is a element with maximum-mod.
在解線性方程組的消元法中，主元素指在某步消元時模最大的那個元素。
