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functional decomposition

   Also found in: Acronyms, Wikipedia 0.05 sec.

functional decomposition

Breaking down a process into non-redundant operations. In structured programming, it provides a hierarchical breakdown of the program into the individual operations, or routines, that are required.

Functional Decomposition of a Program
This example is ultra simplistic, but shows the hierarchical breakdown of the program into its constituent components.


functional decomposition [′fəŋk·shən·əl dē‚käm·pə′zish·ən]
(control systems)
The partitioning of a large-scale control system into a nested set of generic control functions, namely the regulatory or direct control function, the optimizing control function, the adaptive control function, and the self-organizing function.


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The functional decomposition diagram would examine the business functions and decompose to a process level.
Functional Decomposition Method Preserves Form and Function for Computer-Aided Design
The computer-aided geometric modeling research focuses on functional decomposition, a new method for creating a CAD surface structure from polygon models.
 
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