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rref函数是不是不能化简含字符变量的矩阵？。
答案没有错！ 你这个是方阵！方阵的行列式值不为0，肯定有解（对应的线性方程）。 除非方阵的行列式值为0，否则全部可以化为3阶单位矩阵！ C=det(A)=2*x-2（当然matlab不考虑2*x-2是否为零） 当x=1的时候，就不可以化为单位矩阵。...
3 years ago | 0
| accepted
