nonsingular matrix

例句：

1. 1. The matrix is nonsingular, so it can be used to solve linear equations.
   矩阵是非奇异的，因此可以用来解决线性方程。
2. 2. The nonsingular matrix was used to solve the system of equations.
   非奇异矩阵被用来解这个方程组。
3. 3. In mathematics, a nonsingular matrix is one that can be inverted without any loss of information.
   在数学中，一个非奇异矩阵是指可以无信息损失地求逆的矩阵。