This message is generated when the first argument in SchurDecomposition is a matrix in which the elements are integers, rational numbers, or exact complex numbers.
Off[message] switches off the message; On[message] switches it on. For example: Off[SchurDecomposition::schurf].
Examples
Basic Examples(1)
An error occurs because all of the matrix elements are integers:
This computation can be done by converting the matrix elements into inexact numbers: