BCSSS

International Encyclopedia of Systems and Cybernetics

2nd Edition, as published by Charles François 2004 Presented by the Bertalanffy Center for the Study of Systems Science Vienna for public access.

About

The International Encyclopedia of Systems and Cybernetics was first edited and published by the system scientist Charles François in 1997. The online version that is provided here was based on the 2nd edition in 2004. It was uploaded and gifted to the center by ASC president Michael Lissack in 2019; the BCSSS purchased the rights for the re-publication of this volume in 200?. In 2018, the original editor expressed his wish to pass on the stewardship over the maintenance and further development of the encyclopedia to the Bertalanffy Center. In the future, the BCSSS seeks to further develop the encyclopedia by open collaboration within the systems sciences. Until the center has found and been able to implement an adequate technical solution for this, the static website is made accessible for the benefit of public scholarship and education.

A B C D E F G H I J K L M N O P Q R S T U V W Y Z

RETRO-PROPAGATION APPROACH 2)

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The calculation of the quickest and most efficient path backward, from the goal to the actual configuration (C. HARDY, 2001, p. 49)

This author writes: "… whenever the final state of a system, or the solution to a problem, is known in advance, but the intermediate steps remain unknown, it is appropriate to use a procedure in which current events are guided by future outcomes"(Ibid)

Future planified outcomes install in fact a feedforward.

Hardy adds: "Some neural nets, for example, operate by retro-propagation, comparing, at each step, the current state with the final one, looking for the shortest route from the desired final state to the current one"(Ibid)

The retro-propagation approach leds to impressive success in chess-playing by computer.

→ Epigenesis; Parallel distributed processing

Categories

  • 1) General information
  • 2) Methodology or model
  • 3) Epistemology, ontology and semantics
  • 4) Human sciences
  • 5) Discipline oriented

Publisher

Bertalanffy Center for the Study of Systems Science(2020).

To cite this page, please use the following information:

Bertalanffy Center for the Study of Systems Science (2020). Title of the entry. In Charles François (Ed.), International Encyclopedia of Systems and Cybernetics (2). Retrieved from www.systemspedia.org/[full/url]

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