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Welcome to the Mathematical Functions and Expressions MCQs Page

Dive deep into the fascinating world of Mathematical Functions and Expressions with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Mathematical Functions and Expressions, a crucial aspect of MATLAB. In this section, you will encounter a diverse range of MCQs that cover various aspects of Mathematical Functions and Expressions, 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 Mathematical Functions and Expressions. 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 Mathematical Functions and Expressions. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Mathematical Functions and Expressions MCQs | Page 20 of 23

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Q191.
What is the output of the following code? 
T=rand + i*rand

a.

A complex number whose real and imaginary parts are whole numbers

b.

A complex number whose real and imaginary parts are fractions

c.

A complex number whose real and imaginary parts are in the interval (0,1)

d.

A complex number whose real and imaginary parts in the interval [0,1]

Discuss
Answer: (c).A complex number whose real and imaginary parts are in the interval (0,1)
Q192.
What is the output of the following command? 
randi(10 5,3)

a.

Error

b.

A 5*3 matrix of random numbers

c.

A 5*3 matrix of random numbers in the interval [1,10]

d.

A 5*3 matrix of random numbers evenly spaced in the interval [1,10]

Discuss
Answer: (a).Error
Q193.
What is the output of the following code? 
rng(‘shuffle’)

a.

Control the random number generator

b.

Control the filter design process

c.

Control the IIR design process

d.

Control the FIR design process

Discuss
Answer: (a).Control the random number generator
Q194.
The randn command generates random numbers by following a _________

a.

Normal distribution

b.

Normalized Normal Distribution

c.

Uniform Distribution

d.

Bernoulli’s Distribution

Discuss
Answer: (b).Normalized Normal Distribution
Q195.
The output of the following code 
randn[(3,4)]

a.

Error

b.

A random set of numbers from the normalized normal distribution

c.

A random set of numbers from the range 3,4

d.

A random set of numbers from the normal distribution ranging from 3 to 4

Discuss
Answer: (a).Error
Q196.
What is the class of the variable r after the following code is run? 
r=rand(1,4,’double’)

a.

Array

b.

Single

c.

Double

d.

Integer

Discuss
Answer: (a).Array
Q197.
The linspace command generates pseudorandom numbers.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (b).False
Q198.
What is the error in the following command? 
randn[Inf]

a.

Error due to Inf

b.

Syntactical error

c.

Misspelled command

d.

No error

Discuss
Answer: (b).Syntactical error
Q199.
The range of numbers returned by the following code is: 
randperm(1,9)

a.

[1,9]

b.

(1,9)

c.

[1,9)

d.

(1,9]

Discuss
Answer: (a).[1,9]
Q200.
What is the output of the following code? 
randi(10,1,9)

a.

9 unique values with replacement in the interval [1,10)

b.

9 values with replacement in the interval (1,10]

c.

9 unique values with replacement in the interval (1,10)

d.

9 values with replacement in the interval [1,10]

Discuss
Answer: (d).9 values with replacement in the interval [1,10]
Page 20 of 23

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