推 eric19870117:答案是n*n-1嗎? 02/20 23:48
→ relax123:哦哦 你得到他了 恭喜你 4分 02/20 23:49
Let M (R) represent the set of all n*n matriecs with entries
n*n
from the field of real numbers and W denote the subset of M (R)
n*n
having trace equal to zero.
(1) prove that W is a subspace of M (R) .
n*n
(2) find the dimension of W .
(3) find a basis for W .
第一題可以寫得出來 可是(2) 看解答也看不懂 拜託各位大大了
可以直接跟我說怎麼解 不用回PO了 因為我看解答寫好多...謝謝
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