[理工] [線代] 請問一個 Vector space 問題

看板Grad-ProbAsk作者kb2011 (ming)時間14年前 (2011/07/16 11:36)推噓1(1推 0噓 4→)

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課本上的問題, 不知道答案為什麼是這樣?? Let V = {(a1, a2, ...,an):ai E C} is a vector space Is V a vector space over the field of real numbers with the operations of coordinatewise addition and multiplication? Ans: Yes Let V = {(a1, a2, ...,an):ai E R} is a vector space Is V a vector space over the field of complex numbers with the operations of coordinatewise addition and multiplication? Ans: No 請高手幫忙解惑, 感謝 -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 220.133.139.27

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