討論 n 個 n 維向量組: E = [ 1 , 0 , ... , 0 ] , Eg = [ 0 , 1 , 0 ] , . ... 2 = 1 ,入= -1 ,使得入 js + A202 + Ages = 1.ar + 1.ap + ( - 1 ) as = 0 所以, ...
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