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哇 真的还给老师了耶

Posted by fuch at 2009-06-25 14:15:02 on Problem 3707
In Reply To:你们为啥都不看题…… Posted by:frkstyc at 2009-06-22 05:30:40 
> 还是线性代数都已经还了……
> 
> 你算出来的 H 一定要是正交矩阵才行……
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