n********r 发帖数: 65 | 1 Is there any simple proof?
H^h * (H * H^h + I)^(-1) = (I + H^h * H)^(-1) * H^h
where H^h is the hermition of H
and H is an MxN matrix where M >= N |
n********r 发帖数: 65 | 2 I get another proof using matrix inversion lemma
but thanks anyway |
c*******h 发帖数: 1096 | 3 把要求逆的那两块左右乘一下不就行了么。。。
【在 n********r 的大作中提到】 : Is there any simple proof? : H^h * (H * H^h + I)^(-1) = (I + H^h * H)^(-1) * H^h : where H^h is the hermition of H : and H is an MxN matrix where M >= N
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e********g 发帖数: 2524 | 4 agree, that's the easiest
【在 c*******h 的大作中提到】 : 把要求逆的那两块左右乘一下不就行了么。。。
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