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Related to nonlinear system: nonlinear control system
nonlinear system[′nän‚lin·ē·ər ′sis·təm]
A system in which the interrelationships among the quantities involved are expressed by equations, some of which are not linear.
(science and technology)
A system in which outputs are not linear functions of vectors whose components represent the inputs.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.