First MATLAB program - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to display the text 'Hello, World!' in MATLAB.

MATLAB

disp([1]);

Drag options to blanks, or click blank then click option'

AHello, World!

BHello World

C'Hello, World!'

D"Hello, World!"

Attempts:

3 left

💡 Hint

Common Mistakes

Forgetting to use quotes around the text.

Using double quotes instead of single quotes.

In MATLAB, text strings must be enclosed in single quotes to be displayed correctly using disp.

2fill in blank

medium

Complete the code to assign the number 10 to a variable named 'x'.

MATLAB

[1] = 10;

Drag options to blanks, or click blank then click option'

A10

Bvalue

Cnum

Dx

Attempts:

3 left

💡 Hint

Common Mistakes

Using a number as a variable name.

Putting the value on the left side.

The variable name 'x' is used to store the value 10.

3fill in blank

hard

Fix the error in the code to correctly display the value of variable 'x'.

MATLAB

disp([1]);

Drag options to blanks, or click blank then click option'

A'x'

Bx

Cx;

D"x"

Attempts:

3 left

💡 Hint

Common Mistakes

Using quotes around the variable name which prints the letter x instead of its value.

Including a semicolon inside disp which causes an error.

To display the value of variable x, just use its name without quotes or semicolon inside disp.

4fill in blank

hard

Fill both blanks to create a variable 'y' that stores the sum of 5 and 3.

MATLAB

[1] = 5 [2] 3;

Drag options to blanks, or click blank then click option'

Ay

B+

C-

D*

Attempts:

3 left

💡 Hint

Common Mistakes

Using the wrong operator like - or * instead of +.

Using a wrong variable name.

Variable y stores the sum of 5 and 3 using the plus (+) operator.

5fill in blank

hard

Fill all three blanks to create a variable 'z' that stores the product of 4 and 7, then display it.

MATLAB

[1] = 4 [2] 7;
disp([3]);

Drag options to blanks, or click blank then click option'

Az

B*

D+

Attempts:

3 left

💡 Hint

Common Mistakes

Using + instead of * for multiplication.

Trying to display the variable before assigning it.

Variable z stores 4 times 7 using *, then disp shows its value.