ECET 305 SA 1 MATLAB Exercises

ECET 305 SA 1 MATLAB Exercises - plot command, graph s(t)...

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ECET-305 Supplementary Assignment 1 MATLAB Exercises 1. Using MATLAB commands, calculate the following: a. (1/4) π - = ___________________ b. ( / 4) j e = ___________________ c. 15! = ____________________ d. cotangent(33 o ) = ________________ e. The number of possible combinations of 6 numbers drawn without replacement from a set 52 numbers (i.e., lottery odds) = _____________________ 2. Find the product of the following two polynomials: 5 3 2 4 3 1 2 ( ) (5 6 2 5) and ( ) (9 5 4 3) p x x x x p x x x x = + + + = + + + (Hint: use the MATLAB command conv. Read its help file). 1 2 ( ) ( ) p x p x = __________________________________________ 3. For the following functions and using the MATLAB
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Unformatted text preview: plot command, graph s(t) versus t from t = 0 to t = 5 where t is in increments of 0.01. Print and attach the plots. a. ( ) 3sin(5 ) s t t = b. ( ) t s t e-= c. ( ) 3 sin(5 ) t s t e t-= d. ( ) sinc[ ( 2.5)] s t t =-(Hint: read the help file for the sinc function carefully .) 4. Using MATLAB, create a stem plot of x[n] versus n for the following discrete functions. Print and attach the plots. a. 3 [ ] sin 4 x n n = for n = [0,1,2,,20] b. [ ] 2 n x n = for n = [0,1,2,,20] c. [ ] ( 0.8) n x n = -for n = [0,1,2,,20]...
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This note was uploaded on 01/09/2012 for the course ECET 305 taught by Professor Unknown during the Fall '11 term at DeVry Addison.

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ECET 305 SA 1 MATLAB Exercises - plot command, graph s(t)...

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