assignments:a1
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| assignments:a1 [2011/09/28 20:15] – asif | assignments:a1 [2011/09/28 20:16] (current) – asif | ||
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| **Student Questions on Assignment 1:** | **Student Questions on Assignment 1:** | ||
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| //Q1. For the assignment Problem 1.8 # (iv), how did you make exp(j(pi*k/ | //Q1. For the assignment Problem 1.8 # (iv), how did you make exp(j(pi*k/ | ||
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| A1. Note that exp(j(pi*k/ | A1. Note that exp(j(pi*k/ | ||
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| //Q2. How do i Evaluate and find the period of exp(-j*pi*k).// | //Q2. How do i Evaluate and find the period of exp(-j*pi*k).// | ||
| - | A2. Note that exp(-j*pi*k) = cos(pi*k) - j sin(pi*k) | + | |
| + | A2. Note that exp(-j*pi*k) = cos(pi*k) - j sin(pi*k). | ||
| Since sin(pi*k) = 0, therefore, exp(-j*pi*k) = cos(pi*k) which has a period of pi radians/s or 1/2 Hz. | Since sin(pi*k) = 0, therefore, exp(-j*pi*k) = cos(pi*k) which has a period of pi radians/s or 1/2 Hz. | ||
| //Q3. If (-1^k) = exp(j*pi*k), | //Q3. If (-1^k) = exp(j*pi*k), | ||
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| A3. You can not express (-5^k) or (5^k) in the form that (-1^k) was expressed. | A3. You can not express (-5^k) or (5^k) in the form that (-1^k) was expressed. | ||
assignments/a1.1317240925.txt.gz · Last modified: 2011/09/28 20:15 by asif