Some recent results using symbolic algebra

This paper is concerned with the application of an algebraic language (known as Mathematica) to control engineering algorithmic problems. Several problems of significant interest to control engineers are considered. Two methods of computing the Smith-McMillan form are considered, and one approach to the creation of minimal state-space realizations is considered. Balanced minimal realizations, model-order reduction and minimal order matrix-fraction models are also examined. The algorithms implemented are all illustrated by examples.