If the argumengted matrices of two linear systems are row equivalent,then the two systems have the same solution set.In other words,elementary row operations do not change solution set.
elementary row operations:replacement;interchange;scaling
即证明矩阵的初等行变换不改变矩阵的列的线性关系,望高手指教!
我想要证明的过程,哪位能粗略说一下呢?