[線代] Jordan canonical form的求法
想請問一下, 如果撇開理論的部分,
求Jordan form的步驟是否如下:
1. 解 det(A-λI) = 0
2. 對每個 eigenvalue λ, 求 N(A-λI) 的 basis (假設為 v1)
=> Av1 = λv1
3. 如果 λ 的geometric multiplicity g < algebraic multiplicity m
=> 求 N[(A-λI)^2] 的 basis, 取與 N(A-λI) 不重複者.
4. 重複至得到 m 個 generalized eigenvectors 為止.
因為沒有時間重頭學(以前線性代數沒教),
但是某個科目的考試會用到,
所以需要速成一下,
可否請大家幫忙,
謝謝.
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