Free Basic MATLAB Introduction Questions and Answers

Question 1

What is the typical data type in MATLAB for numeric value(s)?

Accepted Answer

Double

Answer

Char

Answer

Int

Answer

Array

Question 2

If Arr = [9 3 5 7 10 0 16], how big is an array?

Accepted Answer

1x7

Answer

7x1

Answer

7

Answer

7x7

Question 3

What MATLAB command should be used to make y = 3(x+2) when x = 2?

Accepted Answer

">> x = 2;
>> y = 3*(x+2);"

Answer

">> y = 3*(x+2);
>> x =2;"

Answer

">> x = 2;
>> y = 3(x+2);"

Answer

">> y = 3(x+2);
>> x = 2;"

Question 4

All variable names must only contain letters, digits, and underscores ( ).

Accepted Answer

TRUE

Answer

FALSE

Question 5

What command in the workspace browser clears all variables?

Accepted Answer

Clear

Answer

CLF

Answer

Delete

Answer

CLC

Question 6

What built-in MATLAB constant represents the square root of -1?

Accepted Answer

i,j

Answer

Nan

Answer

ans

Answer

eps

Question 7

Except for the following, all of the next are benefits of MATLAB programming:

Accepted Answer

Interpreted Language

Answer

Platform independence

Answer

Graphical User Interface

Answer

Ease of use