Control System Applications set 2

Que.What is the output of the following code?
(z,p)=tf2zp([1],[1,0])

a. Error
b. z=0,p=0
c. z=0,p=1
d. z=1,p=0
Discussion
Que.The final value theorem is applicable if __________
a. Poles lie on right half of s plane
b. Poles lie on left half of s plane
c. Poles lie on the imaginary axis
d. Zeros lie on left half of s plane
Discussion
Que.What is the output of the following code?
laplace[‘t^t’]

a. A gamma function
b. Error due to []
c. Error due to ‘’
d. Cannot be determined
Discussion
Que.If f(t)=f₁(t)+f₂(t), the laplace transform of f(t) exists if f₁(t) and f₂(t) does not have the same R.O.C.
a. True
b. False
c. May be True or False
d. Can’t say
Discussion
Que.What is the output of the following code?
[r,p,k]=residu(z,p);….. Assuming z and p are vectors of unequal length

a. Returns the transfer function as partial fractions
b. Returns the transfer function variable
c. Returns an error
d. Cannot be determined
Discussion
Que.What is the output of the following code?
(r,p,k)=residue(z,p);….. Assuming z and p are vectors of unequal length

a. Returns the residue and poles for the partial fractions
b. Returns the zeros and poles
c. Returns a syntactical error
d. Cannot be determined
Discussion
Que.What is the default variable used to represent the laplace transform in the output?
a. s
b. z
c. S
d. p
Discussion
Que.A causal system is stable if the pole lies on the right half of the s-plane.
a. True
b. False
c. May be True or False
d. Can’t say
Discussion
Que.The laplace transform of the following function.
f(t)= 3 when t=[0-5] 
     =  0 otherwise is….. L denotes Laplace Transform

a. L{3u(t+3)-3u(t-5)}
b. L{3u[t+5]-u[t-5]}
c. L(3u(t)-3u(t-5))
d. L(u[t]-3u[t+5])
Discussion
Que.What will be the output of the following code?
ilaplace(‘1/s’)

a. Error
b. 1
c. u(t)
d. 0
Discussion

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