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Let A,D,X∈Cn,n, D diagonal, X non-singular. Let →xi be i-th column of X and λi i-th diagonal entry of D. Hopefully you can see that if A=XDX−1↔AX=XD, ... ... <看更多>

This can be done without full matrix multiplication, using just multiplication of matrix elements. We need to multiply rows of A by the ... ... <看更多>