Rough Derivatives as Dynamic Granules in Rough Granular Calculus

  • Andrzej Skowron
  • Jarosław Stepaniuk
  • Andrzej Jankowski
  • Jan G. Bazan
Part of the Communications in Computer and Information Science book series (CCIS, volume 297)


We discuss the motivation for investigations on rough calculus and some steps toward development of rough calculus based on the rough set approach. In particular, we introduce rough derivatives represented by dynamic granules.


rough sets reasoning about changes hierarchical modeling granular computing relation (function) approximation rough calculus intelligent systems computational finance forex algorithmic trading 


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© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • Andrzej Skowron
    • 1
  • Jarosław Stepaniuk
    • 2
  • Andrzej Jankowski
    • 1
    • 3
  • Jan G. Bazan
    • 1
    • 4
  1. 1.Institute of MathematicsThe University of WarsawWarsawPoland
  2. 2.Department of Computer ScienceBiałystok University of TechnologyBiałystokPoland
  3. 3.Institute of Computer ScienceWarsaw University of TechnologyWarsawPoland
  4. 4.Institute of Computer ScienceUniversity of RzeszówRzeszówPoland

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