diagonalisation

1. (countable, uncountable)In matrix algebra, the process of converting a square matrix into a diagonal matrix, usually to find the eigenvalues of the matrix.

   changing a square matrix to diagonal form (with all non-zero elements on the principal diagonal)

2. (countable, uncountable)An argument used in proof by contradiction by constructing a supposedly exhaustive list of all members of a class, and then subsequently constructing a new member which differs from each existing member in at least one place and therefore cannot belong to the list.

regular

• diagonalizationalternative