[工數] 反矩陣
find the inverse of the square of the matrix
1 2i
[ ]
3i 4
4 2i
所算來算去算了五次 答案是 1/10 [ ]
3i 1
但解答是
4 -2i
1/10 [ ]
-3i 1
我想到老師上課講到 反矩陣是具唯一性的 但 有兩種不同答案 ?? 怎麼解釋呢??
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推
07/10 22:53, , 1F
07/10 22:53, 1F
→
07/10 22:55, , 2F
07/10 22:55, 2F
→
07/10 22:55, , 3F
07/10 22:55, 3F
推
07/11 04:27, , 4F
07/11 04:27, 4F
→
07/11 05:45, , 5F
07/11 05:45, 5F
推
07/11 16:15, , 6F
07/11 16:15, 6F
→
07/11 16:16, , 7F
07/11 16:16, 7F