On Dec 10, 10:09 am, William Stein <wst...@gmail.com> wrote:

> > A.H seems arbitrary?  Why "H"?    

I learnt linear algebra with A^H notation, with H denoting the
Hermitian transpose.  Wikipedia lists the various names for the
conjugate transpose as "conjugate transpose, Hermitian transpose,
Hermitian conjugate, or adjoint matrix"

FWIW, my initial decision to use numpy matrices rather than Sage
matrices in my numerical code was partially based on numpy having such
a clean notation for .I, .T and .H.

Felix

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