[理工] [線代]-幾個問題
一、Let P2 be the set of polynomial over R with degree than 3. Prove {1,(x-1),
x^2-2x+1} is a base of P2.
明白題意,但是不知道該怎麼下手證明..
二、Let A = [1 3]
[0 1] Find A^2009.
(我知道可以直接看出答案..我也是用看的= =
不過這種題型,我記得要用 Taylor + Hamiltom 來解,麻煩指導一下)
三、Given the vectors α=[2,3,0]、β=[0,-3,-2],γ=[0,1,1]. Find the orthogonal
projection of α+β along γ.
這題連題目都看不懂..Orz
麻煩指導了..感謝!
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