$\bf命题:$设$W = \left\{ {A \in {P^{n \times n}}|tr\left( A \right) = 0} \right\}$,求$W$的一组基与维数
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$\bf命题:$
posted on 2014-10-24 11:55 142857 阅读(208) 评论(0) 编辑 收藏 举报
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