[理工] [線代] 99雲科大第一題 principal submatrix
http://0rz.tw/eTRD6
如題,它說要我們列出所有的principal submatrix,可是我看不懂
principal submatrix是指甚麼意思捏 = = 沒有看過這個名詞!
請各位高手幫忙解惑嚕~感恩!!!
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推
03/15 23:00, , 1F
03/15 23:00, 1F
→
03/15 23:42, , 2F
03/15 23:42, 2F
→
03/15 23:43, , 3F
03/15 23:43, 3F
推
03/16 00:03, , 4F
03/16 00:03, 4F
推
03/16 00:10, , 5F
03/16 00:10, 5F
→
03/16 00:11, , 6F
03/16 00:11, 6F
→
03/16 00:12, , 7F
03/16 00:12, 7F
→
03/16 00:40, , 8F
03/16 00:40, 8F
→
03/16 00:41, , 9F
03/16 00:41, 9F
→
03/16 00:42, , 10F
03/16 00:42, 10F
推
03/16 00:45, , 11F
03/16 00:45, 11F
→
03/16 11:50, , 12F
03/16 11:50, 12F
→
09/11 14:21, , 13F
09/11 14:21, 13F