討論串[理工] [線代]-行列式證明題
共 5 篇文章
內容預覽:
For n. when n=2. ┌ a b ┐. A=│ │ then det(A)=ab-ba=0. └ a b ┘. set for k=n is OK. now that k=n+1,A:(n+1)×(n+1). and for A, r row and s row is same. bec
(還有127個字)
內容預覽:
1.Use mathematical induction to prove that if A is an (n+1) ×(n+1) matrix. with two identical rows then det(A) = 0. 2.Let A and B be 2 ×2 matrices.. (
(還有398個字)