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Re: Matrix question
Posted:
Mar 4, 2013 7:45 PM


In article <mb2aj8dureebf24kpg9uv0o5athsbnn5lc@4ax.com>, quasi <quasi@null.set> wrote:
> Ken Pledger wrote far too hastily: > > > >You can't mean that. It would just make every diagonal entry > >1, and give you the identity matrix. > > What about an antidiagonal matrix? > > What about a transposition matrix? > > What about any permutation matrix of order 2  that is, > a permutation matrix P such that P^2 = I. > > The given condition is equivalent to the requirement that the > matrix be a product of pairwise disjoint transpositions....
Yes, of course. I hereby shut up. :(
Ken Pledger.



