Revision as of 17:03, 3 September 2008 by Li186 (Talk)

Linear System

For a function y=f(x), if its derivitive is a constant, then we say it is a linear system.


Example

For function y=2t+1, its derivitive y'=2
y' is a constant
Thus y=2t+1 is a linear system.


For function y=sin(t), y'=cos(t)
y' is not a constant
Thus y=sin(t) is a non-linear system.

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