ABSTRACT
A linear system can be described by several characterizations. The familiar characterization is the input-output description as shown in diagram, https://s3-euw1-ap-pe-df-pch-content-public-p.s3.eu-west-1.amazonaws.com/9780429332951/a5e9ddd2-7a84-42d5-9c66-2199fdb5b813/content/ufig34_1.tif"/>
