分别转置、、然后排列成一个4成4方矩阵,然后做初等变换..到不能化简为止..这打字我也给你说不大清楚..
四个列向量 a1(-9 1 1 1) a2(2 -8 2 2 ) a3(3 3 3 -7 3) a4(4 4 4 -6)
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