每週問題 September 14, 2009

本週問題是求兩子空間之和與交集,以及其維數關係。

點選問題↓

pow-sept-14-09

參考解答↓

PowSol-Sept-14-09

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This entry was posted in pow 向量空間, 每週問題 and tagged , , . Bookmark the permalink.

2 Responses to 每週問題 September 14, 2009

  1. 計組小粉絲 says:

    教授好
    想請教 (b) 小題
    為何得知 N(A) 由 (1,-1,-1,1) 擴張之後
    即可求得子空間交集 U∩W 之基底向量為
    1 · u1 + (−1) · u2 = (0,1,-1,0)
    這個線性組合關係如何由 (1,-1,-1,1) 得知?
    感謝撥冗回覆

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