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Jan 28, 2017 at 21:15 comment added Federico Poloni @user35593 Thanks a lot for the fixes!
S Jan 28, 2017 at 16:19 history suggested user35593 CC BY-SA 3.0
should be 3a instead of a/3, we have for instance tr(M)=tr(A)
Jan 28, 2017 at 15:58 review Suggested edits
S Jan 28, 2017 at 16:19
Jan 28, 2017 at 8:29 vote accept Ludwig
Jan 28, 2017 at 7:09 history edited Federico Poloni CC BY-SA 3.0
added 2 characters in body
Jan 28, 2017 at 7:06 comment added Federico Poloni @user35593 You are correct; one needs to be more careful than I was with the choice of $V$. Fortunately, Householder reflectors (which are the standard tool used to construct orthogonal decompositions) work. I have fixed my answer now.
Jan 28, 2017 at 7:04 history edited Federico Poloni CC BY-SA 3.0
Fixed choice of $V$
Jan 28, 2017 at 1:27 comment added user35593 I think you need a orthogonal V, at least the first row of V^-1 should be (1,1,1). Furthermore as there is no orthogonal matrix mapping vectors of different lengths you probably mean a scaled version and then multiply the result.
Jan 27, 2017 at 19:30 history answered Federico Poloni CC BY-SA 3.0