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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 6 of 23

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Q51.
To apply Cramer’s rule, the condition is _________

a.

Non-homogeneous system of equations

b.

Homogeneous system of equations

c.

Determinant of co-efficient matrix is not equal to 0

d.

No condition

Discuss
Answer: (c).Determinant of co-efficient matrix is not equal to 0
Q52.
To apply superposition in MATLAB, the condition, one of the condition is ___________

a.

No active element is present except sources

b.

No passive element is present

c.

System should have unilateral elements

d.

Nothing needs to be checked

Discuss
Answer: (a).No active element is present except sources
Q53.
A second order system with no initial condition is always linear.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q54.
To check the rank of a non-singular square matrix, we have to use ___________

a.

not required

b.

rankm()

c.

rankmatr()

d.

rank()

Discuss
Answer: (d).rank()
Q55.
A student aims to use Cramer’s rule to find a solution for a homogeneous system. But while finding the solution, he observes that he is getting infinity as a solution. The code is

p=X.\C

X is the matrix created by replacing a column with constant co-efficients in the equation.
C is the co-efficient matrix
P is one of the variables in the system

Is this a proper justification?

a.

Yes

b.

No

c.

Maybe

d.

It is not possible to find solutions in MATLAB

Discuss
Answer: (b).No
Q56.
Which rule does MATLAB use while differentiating a set of functions?

a.

u-v rule

b.

by parts

c.

no pre-defined rule

d.

not possible

Discuss
Answer: (a).u-v rule
Q57.
There is no difference between a difference equation and a differential equation.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (b).False
Q58.
For the existence of the nα΅—Κ° (n is varying from 1 to until the derivative is becoming 0) derivative of an equation, the equation should have __________

a.

Initial values

b.

At least one independent variable

c.

At least one dependent variable

d.

No such condition

Discuss
Answer: (b).At least one independent variable
Q59.
What will be the output of the following code? 
syms x;diff(sin(x)\x²)

a.

(2*x)/sin(x) – (x²*cos(x))/sin(x)²

b.

cos(x)/x² – (2*sin(x))/x³

c.

x²*cos(x) + 2*x*sin(x)

d.

Error

Discuss
Answer: (a).(2*x)/sin(x) – (x²*cos(x))/sin(x)²
Q60.
What is the data type of y? 
y=diff(x²*cos(x) + 2*x*sin(x))

a.

Symbolic

b.

Double

c.

Array

d.

Symbolic Array

Discuss
Answer: (d).Symbolic Array
Page 6 of 23

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