GALLERY

 

 A couple of small test matrices.

  GALLERY(3) is a badly conditioned 3-by-3 matrix.

  GALLERY(5) is an interesting eigenvalue problem.  Try to find

  its EXACT eigenvalues and eigenvectors.

 

 

  See also MAGICUDUVE2, HILB10RXAU2, INVHILBCDXX3WM, HADAMARD26BL7NA, ROSSERBFL5JS, WILKINSON5TV0YJ.