线性代数中在进行初等变换的时候可以同时又进行行变换又进行列变换吗？都不会改变矩阵的秩？ 行列式在计算时.行变换和列变化能不能同时进行
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2\u3001\u884c\u5217\u5f0f\u6c42\u503c\u53ef\u4ee5\u968f\u4fbf\u4f7f\u7528\u884c\u53d8\u6362\u548c\u5217\u53d8\u6362\uff0c\u4ee5\u53ca\u5176\u5b83\u624b\u6bb5\u3002\u884c\u5217\u5f0f\u7684\u8ba1\u7b97\u53ea\u8981\u5f97\u51fa\u7ed3\u679c\u51fa\u6765\u5c31\u884c\u4e86\u3002
3\u3001\u89e3\u7ebf\u6027\u65b9\u7a0b\u7ec4\u53ea\u80fd\u7528\u521d\u7b49\u884c\u53d8\u6362\uff0c\u624d\u80fd\u4fdd\u8bc1\u540c\u89e3\u3002
4\u3001\u6c42\u77e9\u9635\u7684\u9006\u77e9\u9635\u4e5f\u53ea\u80fd\u7528\u521d\u7b49\u884c\u53d8\u6362\uff08\u5de6\u53f3\u5f0fA\uff5cE\uff09\u3002\uff08\u6216\u53e0\u52a0\u6392\u5217\u5f0fA\uff0fE\u53ea\u80fd\u5217\u53d8\u6362\uff09
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恩是的，对矩阵进行行换和列换就是相当于在左或右做初等变换，初等变换的矩阵他的行列式的值不等于零
一个矩阵乘以可逆的矩阵，他的秩不变
如果同时进行行列变换对一个齐次线性方程有影响吗
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