线性代数中的矩阵的初等变换，若一开始就进行行变换，接下来是不是就不能进行列变换，也就是说 行变换和 线性代数里初等变换时不能进行列变换的两种情况是什么？
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\u6bd4\u5982\uff0c\u6c42\u77e9\u9635\u7684\u79e9\uff0c\u6216\u8005\u5316\u6807\u51c6\u5f62\uff0c\u884c\u3001\u5217\u53d8\u6362\u600e\u4e48\u987a\u5e8f\u90fd\u53ef\u4ee5\uff1b
\u4f46\u6bd4\u5982\uff0c\u5316\u884c\u9636\u68af\u5f62\uff0c\u90a3\u5c31\u53ea\u80fd\u505a\u884c\u53d8\u6362\uff1b
\u518d\u6bd4\u5982\uff0c\u6c42\u5217\u5411\u91cf\u7ec4\u7684\u6781\u5927\u65e0\u5173\u7ec4\uff0c\u4e5f\u53ea\u80fd\u505a\u884c\u53d8\u6362\u4e86\u3002
\u5177\u4f53\u6bcf\u79cd\u8fd0\u7b97\u9700\u8981\u505a\u521d\u7b49\u53d8\u6362\u7684\u65f6\u5019\uff0c\u6559\u6750\u4e0a\u4f1a\u63d0\u9192\u4f60\u5fc5\u987b\u505a\u4ec0\u4e48\u53d8\u6362\u7684\uff0c\u5982\u679c\u6ca1\u6709\u63d0\u9192\uff0c\u4e00\u822c\u662f\u884c\u5217\u53d8\u6362\u5747\u53ef\u7684\u3002
\u4f46\u8981\u6ce8\u610f\uff0c\u53d8\u6362\u5fc5\u987b\u4e00\u6b65\u4e00\u6b65\u8fdb\u884c\uff0c\u4e0d\u80fd\u4e24\u6b65\u540c\u65f6\u8fdb\u884c\uff0c\u5426\u5219\u4f1a\u51fa\u9519\u7684\u3002
\u4e3b\u8981\u6709\u89e3\u7ebf\u6027\u65b9\u7a0b\u7ec4\uff0c\u53ef\u4ee5\u505a\u4e09\u79cd\u884c\u53d8\u5316\uff0c\u4ee5\u53ca\u7b2c\u4e00\u79cd\u5217\u53d8\u6362\uff0c\u4e5f\u5c31\u662f\u53ef\u4ee5\u4ea4\u6362\u4e24\u5217\uff08\u5e0c\u671b\uff0c\u4f60\u80fd\u660e\u767d\u4e3a\u4ec0\u4e48\u4f1a\u8fd9\u6837\u989d\uff09
\u8fd8\u6709\u4e00\u79cd\u5c31\u662f\u7528\u521d\u7b49\u53d8\u6362\u6c42\u77e9\u9635\u7684\u9006\uff0c\u4ecd\u7136\u5e0c\u671b\u697c\u4e3b\u80fd\u77e5\u9053\u539f\u7406\uff0c\u8fd9\u6837\u4f60\u5c31\u660e\u767d\u4e3a\u4ec0\u4e48\u53ea\u505a\u884c\u53d8\u5316\u5f97\u5230\u7684\u624d\u662f\u77e9\u9635\u7684\u9006\u5566
能同时进行的
绛旓細1.鐢鐭╅樀鐨勫垵绛夊彉鎹姹傞鐭╅樀锛瑙ｇ煩闃垫柟绋 2.鐢ㄧ煩闃电殑鍒濈瓑鍙樻崲姹傜煩闃电殑绉┿佸悜閲忕粍鐨勭З銆佹瀬澶绾挎鏃犲叧缁 3.鐢ㄧ煩闃电殑鍒濈瓑鍙樻崲瑙ｇ嚎鎬ф柟绋嬬粍 4.鐢ㄧ煩闃电殑鍒濈瓑鍙樻崲姹傝繃娓＄煩闃 5.鐢ㄧ煩闃电殑鍒濈瓑鍙樻崲鍖栦簩娆″瀷涓烘爣鍑嗗瀷 6.鐢ㄧ煩闃电殑鍒濈瓑鍙樻崲姹傛爣鍑嗘浜ゅ熀 ...
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