[線代] 多維空間中的旋轉
和大家請問一個問題:
N維空間中定義兩個向量 v1 = {x1,x2,...,xN}, v2 = {y1,y2,..,yN}
v1和v2長度為1 其中長度定義為 (x1^2+x2^2+ ... + xN^2)^(1/2)
是否唯一存在一個矩陣A 使得 v1 = A * v2 ? (其中A必須為Unitary 且 det(A) = 1)
PS:
如果不是的話,有辦法再加條件讓他變成唯一嗎?
如果是的話,有標準步驟能找到A嗎?
感謝~
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