[理工] [線代]-正定矩陣的問題

看板Grad-ProbAsk作者 (cksh)時間16年前 (2009/09/21 17:22), 編輯推噓0(002)
留言2則, 2人參與, 最新討論串1/2 (看更多)
Suppose that A and B are both symmetric positive definite matrices. Then all eigenvalues of AB are positive. 請問這個要怎麼證明?? -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 124.218.25.78

09/21 17:32, , 1F
Trivial!!!!!
09/21 17:32, 1F

09/21 18:37, , 2F
我看成 Travian ....
09/21 18:37, 2F
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文章代碼(AID): #1AjqNNLj (Grad-ProbAsk)