This set of MATLAB Multiple Choice Questions & Answers (MCQs) focuses on “Functions and Expressions”.

1. How many expressions are there in the following mathematical relation?

a=sqrt(log(sqrt(x+y)))

a) 2**b) 3**

c) 1

d) 4

2. How many functions are there in the following mathematical relation?

p=sin(pi*(log(x))

**a) 2**

b) 3

c) 1

d) 0

3. What are the minimum numbers of expressions which will be required to express a mathematical relation?

a) At least 1

b) At least 2

c) At most 1**d) Depends on the number of variables**

4. Is it possible to reduce the number of expressions in the following mathematical relation?

a=sin(pi*log(x))

**a) Yes**

b) No

c) Maybe

d) Impossible

5. Is it possible to reduce the number of functions in the following mathematical relation?

l=cos(2*pi*sin(n/x))

a) Yes**b) No**

c) Maybe

d) Obviously

6. The teacher has given the assignment to find the sum of 2 numbers. But the code should not contain the ‘+’ operator. What is to be done?**a) Use a function**

b) Add the values and print the sum directly

c) Use an expression

d) Cannot be done

7. How many expressions are used to describe a mathematical relation between a, b and c?

b=9; c=4; a=b+c;

a) 4**b) 2**

c) 3

d) 1

8. A mathematical statement is a combination of functions and variables only.

a) True**b) False**

9. What is the command which can be used to see the expressions within a user-defined function in MATLAB?

a) help

b) look for**c) echo on**

d) cannot be seen

10. What are mathematical expressions?

a) Any mathematical relation**b) Any mathematical operation**

c) Any mathematical conversation

d) Any mathematical function