[理工] [線代]
Let W = span{(1,2,3),(4,5,6)} be a subspace in R^3
find a basis for W的正交補集 ?
Let T:R^3 → R^3 be the projection of the space R^3
on the plane x+2y+3z = 0
find the eigenvalue of T
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ANS:
1. (1,-2,1)
2. 1,0
請這問兩題該怎麼解呢?
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