1. Which code would you use to find the value of the function f? f(x)=sin(x) cos (x) tan (x) at x = π/4
a. sin(45) cos(45) tan(45)
b. sin(pi/4) cos(pi/4) tan(pi/4)
c. sin(45®) cos(45®) sin(45®)
d.none of these
2.We can find the mean value of a series (upto n) using _________
meanabs()
mean()
sumabs()
None of these
sum()
3. MATLAB stands for? *
matrix laboratory
Matrix Laboratory
MATrix LABoratory
None of these
4.Which is the invalid variable name in MATLAB? *
x6
last
6x
5.If the result of our summation is Infinity, what will MATLAB show? *
Infinity
nan
Inf
error
6.How to create identity matrix using matrix command *ide()
ide()
eye
eyi
id
7.Which of the following MATLAB expression gives 1 *
cos(180)
cosd(pi)
sind(3*pi/2)
sin(pi/2)
8.The difference between a function and a script is: *
Only a function file can be run from the command line
Only a script file can perform a series of commands
Only a function requires inputs
Function variable names only have meaning within the function, whereas script variables are available to other programs
9. MATLAB API means: *
Application Program Interface(Y)
Application Process Interconnected
Advance Program Internet
Advanced process Interface
10.What are the types of loops does MATLAB provides? *
While loop
For loop
Not Supported
Both While loop and For loop
11.The LU method of factorization was introduced by the mathematician____________ *
Alan Tango
David Hilbert
G. W. Leibniz
Alex Grothendieck
12.Y=[ ] *
Empty matrix
Non Empty matrix
error
None of these
13.A=[3:3:15] *
3 6 9 12 15
3 15
Error
None of these
14.Which function gets disabled while using evalc()? *
diary
sin
inf
round
15.What is the output of the following code? evalc(‘Laplace(t)’) *
Syntactical Error
Symbolic error
1/s
1/s2
16.Which of the following is called as forward difference operator *
∆(Y)
€(N)
β(N)
None of these(N)
17.V=log(1) in MATLAB *
0
1
Error
4
18.What is the output of the following code? error(‘ No !!!!’) *
No ! ! !!
No !!!!
Logical Error
Symbolic error
19.What is the error in the code? a=[[1;2];(2,3)] *
Third brackets are wrong
The semicolon within the second third brackets
There is no error
Error: Expression or statement is incorrect–possibly unbalanced
20. Explain what is Simulink? *
Add-on product to MATLAB
Provides an interactive
Graphical environment for modeling
All of these
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