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Welcome to the MATLAB Basics MCQs Page

Dive deep into the fascinating world of MATLAB Basics with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of MATLAB Basics, a crucial aspect of MATLAB. In this section, you will encounter a diverse range of MCQs that cover various aspects of MATLAB Basics, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within MATLAB.

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Check out the MCQs below to embark on an enriching journey through MATLAB Basics. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of MATLAB.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of MATLAB Basics. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

MATLAB Basics MCQs | Page 11 of 17

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Q101.
What is the advantage of MATLAB over other computing software with matrix dimensions?

a.

No advantage

b.

Real time pre-defined memory allocation

c.

Real time user-defined memory allocation

d.

Matrix operations are easily computed

Discuss
Answer: (c).Real time user-defined memory allocation
Q102.
Which code will help to concatenate two matrices easily in 2 dimensions? 
Matrices:   A = 1 2      B = 1 2
                           3 4             3 4

a.

cat(A,B)

b.

cat(2,[1 2;3 4], [1 2; 3 4])

c.

cat(2;[1 2,3 4]; [1 2, 3 4])

d.

cat([1 2;3 4], [1 2; 3 4])

Discuss
Answer: (b).cat(2,[1 2;3 4], [1 2; 3 4])
Q103.
Which code can be used for changing the dimensions of a matrix as follows? 
Input matrix: 1     2     3         Output matrix: 1 4 2 5 3 6
                         4     5     6

a.

reshape([1,2,3;4,5,6],1,6)

b.

reshape([1,2,3;4,5,6];1;6)

c.

reshape([1,2,3;4,5,6]:1:6)

d.

reshape([1,2,3;4,5,6],6,1)

Discuss
Answer: (a).reshape([1,2,3;4,5,6],1,6)
Q104.
What is the function used to multiply a matrix, A, with itself n times?

a.

mtimes(A,n)

b.

ntimes(A,n)

c.

mtimes(n,A)

d.

mtimes(A^n)

Discuss
Answer: (a).mtimes(A,n)
Q105.
Which code is used to solve the system of linear equation: A.(x²)= B? 
A = 1     4           B = 1    2
       1    4                  1    2

a.

sqrt([1 4;1 4]/[1 2;1 2])

b.

Inf

c.

sqrt([1 4,1 4]/[1 2,1 2])

d.

sqrt[(1 4;1 4]/[1 2;1 2)]

Discuss
Answer: (a).sqrt([1 4;1 4]/[1 2;1 2])
Q106.
Which operator set is used for left and right division respectively?

a.

.\ and ./

b.

./ and .\

c.

Left division and right division is not available in MATLAB

d.

/ and \

Discuss
Answer: (a)..\ and ./
Q107.
If A and B are two matrices, such that a./b=b.\a, what is concluded?

a.

Nothing special

b.

A = Aᵀ

c.

A = A⁻¹

d.

A = A

Discuss
Answer: (a).Nothing special
Q108.
If a./b=(b./a)ᵀ, what can be concluded about the matrices a and b?

a.

a = bᵀ

b.

a = b⁻¹

c.

a = b’

d.

nothing special

Discuss
Answer: (a).a = bᵀ
Q109.
What is the difference between a[] and a{}?

a.

a[] is for empty cell array while a{} is for empty linear array

b.

a[] is for empty linear array while a{} is for empty cell array

c.

No difference

d.

a[] is an empty row vector while a{} is an empty column vector

Discuss
Answer: (b).a[] is for empty linear array while a{} is for empty cell array
Q110.
Choose the function to solve the following problem, symbolically, in the easiest way. 
3x+y=5 and 2x+3y=7

a.

linsolve(x,y) where x and y are the co-efficient and result matrix respectively

b.

solve(x,y) where x and y are the co-efficient and result matrix respectively

c.

sol(x,y) where x and y are the co-efficient and result matrix respectively

d.

the equations are not solvable

Discuss
Answer: (a).linsolve(x,y) where x and y are the co-efficient and result matrix respectively
Page 11 of 17

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