| Line 11: | Line 11: | ||
| − | x1 => system => *a | + | x1 => system => *a |
+ => y(t) | + => y(t) | ||
| − | x2 => system => *b | + | x2 => system => *b |
| Line 19: | Line 19: | ||
| − | x1*a => system | + | x1*a => system |
+ => y(t) | + => y(t) | ||
| − | x2*b => system | + | x2*b => system |
Revision as of 14:57, 11 September 2008
A system is called linear if for any inputs, x1 & x2, yielding outputs y1 & y2 the response to
a*x1 + b*x2 is a*y1 + b*y2.
i.e
The system below
x1 => system => *a
+ => y(t)
x2 => system => *b
equals th system below
x1*a => system
+ => y(t)
x2*b => system
