Re: [線代}矩陣未知數
※ 引述《lin0933 (玲)》之銘言:
: 有特徵值 入1=3 入2=3 入3=12 試求
: 參數 x 之值
: A=7 4 1
: 4 7 -1
: -4 -4 x
: {
sum of eigenvalue equals to the trace of matrix
那x=4 但回推的話 入找不出來為3,3,12
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推
11/19 00:56, , 1F
11/19 00:56, 1F
推
11/19 00:58, , 2F
11/19 00:58, 2F
→
11/19 01:06, , 3F
11/19 01:06, 3F
推
11/19 01:08, , 4F
11/19 01:08, 4F
推
11/19 01:10, , 5F
11/19 01:10, 5F
→
11/19 01:11, , 6F
11/19 01:11, 6F
→
11/19 02:06, , 7F
11/19 02:06, 7F
→
11/19 09:30, , 8F
11/19 09:30, 8F
推
11/19 10:52, , 9F
11/19 10:52, 9F
→
11/19 12:28, , 10F
11/19 12:28, 10F
→
11/19 12:28, , 11F
11/19 12:28, 11F
→
11/19 12:29, , 12F
11/19 12:29, 12F
推
11/19 12:58, , 13F
11/19 12:58, 13F
→
11/19 12:59, , 14F
11/19 12:59, 14F
→
11/19 12:59, , 15F
11/19 12:59, 15F
→
11/19 13:00, , 16F
11/19 13:00, 16F
→
11/19 15:55, , 17F
11/19 15:55, 17F
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