diagonalize

/D AY0 AE1 G AH0 N AH0 L AY0 Z/
verb
  1. 1

    (mathematics, transitive) To convert a square matrix into a diagonal matrix by multiplying it by a second matrix and its inverse.

  2. 2

    (cybernetics) To design variables such that design problems only bear upon subsets that are loosely coupled to others.