Some Remarks on the Concept of State

  • H. S. Witsenhausen


Consider a system which is subject to a succession of T inputs u1,u2,…,uT where ut belongs to a given set Ut, for each t. Outputs yt in given sets Yt are generated for t = 1,…,T. The input-output description of the system is given by functions St as follows.


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    Mullans, R.E. and Elliott, D.L., Linear Systems on Partially Ordered Time Sets, Proc. 1973 Conf. on Decision and Control, IEEE 1973.Google Scholar
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    Witsenhausen, H.S., The Intrinsic Model for Discrete Stochastic Control: Some Open Problems; Lecture Notes in Economics and Mathem. Systems, Vol. 107, pp. 322–335, Springer-Verlag, 1975.Google Scholar

Copyright information

© Plenum Press, New York 1976

Authors and Affiliations

  • H. S. Witsenhausen
    • 1
    • 2
  1. 1.Harvard UniversityCambridgeUSA
  2. 2.Bell LaboratoriesMurray HillUSA

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