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How to Reconstruct the System’s Dynamics by Differentiating Interval-Valued and Set-Valued Functions

  • Karen Villaverde
  • Olga Kosheleva
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 6743)

Abstract

To predict the future state of a physical system, we must know the differential equations \(\dot x=f(x)\) that describe how this state changes with time. In many practical situations, we can observe individual trajectories x(t). By differentiating these trajectories with respect to time, we can determine the values of f(x) for different states x; if we observe many such trajectories, we can reconstruct the function f(x). However, in many other cases, we do not observe individual systems, we observe a set X of such systems. We can observe how this set X changes, but not how individual states change. In such situations, we need to reconstruct the function f(x) based on the observations of such “set trajectories” X(t). In this paper, we show how to extend the standard differentiation techniques of reconstructing f(x) from vector-valued trajectories x(t) to general set-valued trajectories X(t).

Keywords

prediction under uncertainty differentiation of interval-valued and set-valued functions 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  • Karen Villaverde
    • 1
  • Olga Kosheleva
    • 2
  1. 1.New Mexico State UniversityLas CrucesUSA
  2. 2.University of Texas at El PasoEl PasoUSA

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