MATLAB Practice Test 10

1. What is the output of the following code?

>>p=ilaplace(s/s);
>>laplace(p)

2. What is the output of the following code?

>>p=[zeros(1,5),ones(1,6)];
>> t=0:1:10;
>> plot(t,p);

3. How much does the delay change, if the step time is taken as two units in time, in r(t-m), in scope 1 and 3?

4. The R.O.C. of a unit step function is __________

5. The impulse response is the result of the transfer function of the system.

6. The poles of the transfer function of a sinusoidal system can represent the frequency of the impulse response of the sinusoidal system.

7. What is the output of the following code?

cconv([1 2],[0 1 0])

8. What is the output of the following code?

ztrans(exp(2*n),z)

9. What is the output of the following code?

conv([1;3],[1;3])

10. The output of p=conv([ones(1,50)],[ones(1,100)]) and p=conv([ones(1,100)],[ones(1,50)]) are same.