Portal:Systems science

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The Systems Science Portal

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Complex systems approach

Systems are sets of entities, physical or abstract, comprising a whole where each component interacts with or is related to at least one other component and they all serve a common objective. The scientific research field which is engaged in the interdisciplinary study of universal system-based properties of the world is general system theory, systems science and recently systemics. This field investigates the abstract properties of matter and mind, and their organization, searching for concepts and principles which are independent of the specific domain, substance, and type of system, and of the spatial and/or temporal scales of its existence.

Systems science can be viewed as ... "a metalanguage of concepts and models for interdisciplinary use, still now evolving and far from being stabilized. This is the result of a slow process of accretion through inclusion and interconnection of many notions, which came and are still coming from very different disciplines. The process started more than a century ago, but has gathered momentum since 1948 through the pioneering work of Norbert Wiener, John von Neumann, Ludwig von Bertalanffy, Heinz von Foerster and W. Ross Ashby, among many others" (Charles François, 1999).

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A MRT Train approaching the Ayala Station.

The Manila Metro Rail Transit System is part of the metropolitan rail system in the Metro Manila area of the Philippines, the Strong Republic Transit System. Although it has characteristics of light rail, such as the type of rolling stock used, it is more akin to a rapid transit system. It is not related to the Manila Light Rail Transit System, a separate but linked system.

The MRT forms part of Metro Manila's rail transport infrastructure, known as the Strong Republic Transit System, and overall public transport system. One of its original purposes was to decongest Epifanio de los Santos Avenue (EDSA), one of Metro Manila's main thoroughfares and home to the MRT, and many commuters who ride the MRT also take road-based public transport, such as buses, to reach the intended destination from an MRT station.


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Planets and dwarf planets of the Solar System; while the sizes are to scale, the relative distances from the Sun are not.

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Selected systems scientist

Norbert wiener.jpg

Norbert Wiener (November 26, 1894, Columbia, Missouri – March 18, 1964, Stockholm Sweden) was an American theoretical and applied mathematician. He was a pioneer in the study of stochastic and noise processes, contributing work relevant to electronic engineering, electronic communication, and control systems.

Wiener also founded cybernetics, a field that formalizes the notion of feedback and has implications for engineering, systems control, computer science, biology, philosophy, and the organization of society.


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  • ...that a successful experimental system must be stable and reproducible enough for scientists to make sense of the system's behavior, but unpredictable enough that it can produce useful results?



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Science portal on Wikinews     Systems scientists on Wikiquote     Systems on Wikibooks     Systems on Wikicommons     Systems theory on Wiktionary     Wikiversity School of Science
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