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Hard systems is a problem-solving approach in systems science. It is opposing soft systems. Although soft systems thinking treats all problems as ill-defined or not easily quantified, hard systems approaches (
systems analysis Systems analysis is "the process of studying a procedure or business to identify its goal and purposes and create systems and procedures that will efficiently achieve them". Another view sees system analysis as a problem-solving technique that ...
(structured methods),
operations research Operations research ( en-GB, operational research) (U.S. Air Force Specialty Code: Operations Analysis), often shortened to the initialism OR, is a discipline that deals with the development and application of analytical methods to improve decis ...
and so on) assume that the problems associated with such systems are well-defined, they have a single,
optimum Mathematical optimization (alternatively spelled ''optimisation'') or mathematical programming is the selection of a best element, with regard to some criterion, from some set of available alternatives. It is generally divided into two subfi ...
solution, a scientific approach to
problem-solving Problem solving is the process of achieving a goal by overcoming obstacles, a frequent part of most activities. Problems in need of solutions range from simple personal tasks (e.g. how to turn on an appliance) to complex issues in business an ...
will work well, and that technical factors will tend to predominate.Michael C. Jackson (1991). Systems methodology for the management sciences. New York, NY: Plenum Press.Michael C. Jackson (2003). Systems thinking: Creative holism for managers. Chichester, UK: John Wiley & Sons Ltd.


Developments in hard systems thinking

Hard systems began to emerge as a distinct philosophy in the 1950s.


See also

* Systems engineering *
Systems analysis Systems analysis is "the process of studying a procedure or business to identify its goal and purposes and create systems and procedures that will efficiently achieve them". Another view sees system analysis as a problem-solving technique that ...
* Systems dynamics


References

Systems theory {{systemstheory-stub