Coprime factorization of discrete time-varying systems

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


A necessary condition is given for the existence of coprime factorizations for time-varying systems. This allows one to easily give unstable plants for which such factorizations do not exist.

Original languageEnglish
Pages (from-to)49-50
Number of pages2
JournalSystems and Control Letters
Issue number1
StatePublished - 1 Jan 1986


  • Coprime factorization
  • Time-varying system

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Computer Science (all)
  • Mechanical Engineering
  • Electrical and Electronic Engineering


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