Saturday, January 16, 2010

Good Definition of control?

Can you describe what the control is in a experiment. I need a simpler definition because i don't understand the internet defintions.Good Definition of control?
control never changes,it always stays the same so you could compare it to the variables which vary in the experiment...


good luck!Good Definition of control?
This is one of the theories:


Stability (in control theory) often means that for any bounded input over any amount of time, the output will also be bounded. This is known as BIBO stability (see also Lyapunov stability). If a system is BIBO stable then the output cannot ';blow up'; (i.e., become infinite) if the input remains finite.





You may want to try wikkepedia %26amp; american encyclopedia


take care

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