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These definitions are both correct and simple to understand.  I might change the wording "It doesn't take in..." to say, "It doesn't depend on...", but this is simply a matter of personal preference to wording then anything that is really incorrect.  As mentioned above, you did forget to mention that a system with memory depends on the future as well as the past.  
 
These definitions are both correct and simple to understand.  I might change the wording "It doesn't take in..." to say, "It doesn't depend on...", but this is simply a matter of personal preference to wording then anything that is really incorrect.  As mentioned above, you did forget to mention that a system with memory depends on the future as well as the past.  
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-Zachary Curosh
 
-Zachary Curosh
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Like Christen I also noticed that you did not mention the fact that, for a system with memory the ouput y(t) depends on both past and FUTURE values of inputs.
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Also i just wanted to point out the fact that the term (t-1) represents a time "t" in the future not the past. :)
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Vivek Ravi
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Definitions are clear and correct, however the wording can probably be changed to sound more precise/formal. For example you could phrases  similar to , "There exist some input such that...." or "For any input..."

Latest revision as of 13:29, 19 September 2008

You're definitions are very good, except a system is considered to have memory when its current output is dependent on future values of the input and output also. - Christen Juzeszyn


Correct, clear to me. - Ronny Wijaya


These definitions are both correct and simple to understand. I might change the wording "It doesn't take in..." to say, "It doesn't depend on...", but this is simply a matter of personal preference to wording then anything that is really incorrect. As mentioned above, you did forget to mention that a system with memory depends on the future as well as the past.

-Zachary Curosh


Like Christen I also noticed that you did not mention the fact that, for a system with memory the ouput y(t) depends on both past and FUTURE values of inputs. Also i just wanted to point out the fact that the term (t-1) represents a time "t" in the future not the past. :)

Vivek Ravi


Definitions are clear and correct, however the wording can probably be changed to sound more precise/formal. For example you could phrases similar to , "There exist some input such that...." or "For any input..."

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Abstract algebra continues the conceptual developments of linear algebra, on an even grander scale.

Dr. Paul Garrett