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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 18 of 23

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Q171.
The window function is used to __________

a.

multiply it with the incoming signal

b.

add it with the incoming signal

c.

subtract it from the incoming signal

d.

divide the incoming signal

Discuss
Answer: (a).multiply it with the incoming signal
Q172.
The output of the following codes are 
i fft([1,2],2,2)
ii. fft([1,2],2)

a.

same

b.

different

c.

i will give error

d.

ii will give error

Discuss
Answer: (a).same
Q173.
The butter() command takes in ________

a.

Stopband attenuation

b.

Order of the filter

c.

Ripple frequency

d.

Nothing

Discuss
Answer: (b).Order of the filter
Q174.
The blackmann(N) command returns a ___________

a.

N-point periodic blackmann window

b.

N+1-point periodic blackmann window

c.

N+1-point periodic blackmann window

d.

N-point symmetric blackmann window

Discuss
Answer: (d).N-point symmetric blackmann window
Q175.
The result of the following command is 
hamming[32]

a.

Error

b.

A 32 point symmetric Hamming Window

c.

A 33 point periodic Hamming Window

d.

A 33 point Hamming Window

Discuss
Answer: (a).Error
Q176.
fft2 returns _________

a.

a 2-d matrix

b.

a 2-d D.F.T

c.

a vector

d.

No such command

Discuss
Answer: (a).a 2-d matrix
Q177.
What is the function of the unwarp command?

a.

Generate smoother phase plots

b.

Generate smoother gain plots

c.

Generate smoother root locus

d.

No such command

Discuss
Answer: (a).Generate smoother phase plots
Q178.
The default tolerance of the unwarp() function is ________

a.

pi

b.

2*pi

c.

pi/2

d.

0

Discuss
Answer: (a).pi
Q179.
The hamming command returns a ___________

a.

matrix

b.

row vector

c.

column vector

d.

no such command

Discuss
Answer: (c).column vector
Q180.
What is the value of N while creating a 27 point Hamming window?

a.

28

b.

26

c.

14

d.

13

Discuss
Answer: (b).26
Page 18 of 23

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