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但是不一定有解啊~In Reply To:答案是唯一的 Posted by:smallbox at 2009-04-23 22:40:10 AX=B 要满足A的秩=增广矩阵AB的秩，才有解 这时才开始讨论是否有唯一解~ Followed by: Post your reply here: |
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