In computing, generally used to refer to the techniques involved in the intimate understanding, design, and optimization of computer systems. Systems analysts are responsible for the precise definition and implementation of a computer system in business, research, and other contexts. Systems design is the process of designing a new computer system to replace an existing manual system or an inappropriate computer system.
'Systems analysis' is the science dealing with analysis of complex, large scale systems and the interactions within those systems.
The systems discussed within systems analysis can be within any field such as: industrial processes, management, decision making processes, environmental protection processes, etc. Odum and Eugene Odum began applying a systems view to biological ecology in 1953, building on the work of Raymond Lindeman (1942) and Arthur Tansley (1935).
Systems analysis researchers apply mathematical methodology to the analysis of the systems involved trying to form a detailed overall picture.
Modeling
Systems theory is the basis for modeling complex systems, which are broken down into three basic components: units, processes, and structures.
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