| Line 11: | Line 11: | ||
:Instructor's comment: Yes, it's zero. Can you justify your answer? -pm | :Instructor's comment: Yes, it's zero. Can you justify your answer? -pm | ||
===Answer 2=== | ===Answer 2=== | ||
| − | + | The delta function is zero everywhere except when n=0 and since we are multiplying the delta by n the answer would thus be 0. | |
===Answer 3=== | ===Answer 3=== | ||
write it here. | write it here. | ||
---- | ---- | ||
[[2011_Fall_ECE_438_Boutin|Back to ECE438 Fall 2011 Prof. Boutin]] | [[2011_Fall_ECE_438_Boutin|Back to ECE438 Fall 2011 Prof. Boutin]] | ||
Revision as of 13:42, 25 August 2011
Contents
Simplify this summation
$ \sum_{n=-\infty}^\infty n \delta [n] $
You will receive feedback from your instructor and TA directly on this page. Other students are welcome to comment/discuss/point out mistakes/ask questions too!
Answer 1
The answer is 0 ?
- Instructor's comment: Yes, it's zero. Can you justify your answer? -pm
Answer 2
The delta function is zero everywhere except when n=0 and since we are multiplying the delta by n the answer would thus be 0.
Answer 3
write it here.
