[理工] [線代] 線性映射
這是93台大的題目
T or F
Let V and W be vector spaces of dimensions n and m, respectively.
A linear transformation T: V-->W is invertible if and only if m=n.
答案為 F
為什麼是F?
函數T可逆 <=> T為1-1且onto <=> dim(V)=dim(W) ???
我這樣想對嗎??
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推
10/16 23:30, , 1F
10/16 23:30, 1F
推
10/16 23:38, , 2F
10/16 23:38, 2F
推
10/16 23:40, , 3F
10/16 23:40, 3F
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10/16 23:41, , 4F
10/16 23:41, 4F
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10/17 00:41, , 5F
10/17 00:41, 5F
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10/17 00:42, , 6F
10/17 00:42, 6F
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10/17 00:43, , 7F
10/17 00:43, 7F
推
10/17 00:46, , 8F
10/17 00:46, 8F
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