Here $A^+$ is Moore–Penrose inverse. My question is: If $M=A^+$ and A is a symmetric matrix,then how to prove $(A^2)^+=M^2$?
2026-05-02 14:51:55.1777733515
how to prove $(A^2)^+=M^2$ if $M=A^+$ and A is a symmetric matrix?
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