row coefficient

例句：

1. 1. The row coefficient of the matrix is 0.5.
   矩阵的行系数是0.5。
2. 2. The row coefficients of the matrix are all positive.
   矩阵的行系数都是正数。
3. 3. The row coefficients of the matrix can be used to solve linear equations.
   矩阵的行系数可以用来解线性方程。