Script files and editor in MATLAB - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to create a script file that assigns 10 to variable x.

MATLAB

x = [1];

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

A'10'

B10

Cx

Dten

Attempts:

3 left

💡 Hint

Common Mistakes

Putting quotes around numbers, which makes them strings.

Using variable names instead of values.

The script assigns the number 10 to variable x. Numbers are written without quotes.

2fill in blank

medium

Complete the code to display the value of variable y in the script.

MATLAB

y = 5;
disp([1]);

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

A'y'

B5

Cdisp

Dy

Attempts:

3 left

💡 Hint

Common Mistakes

Using quotes around the variable name in disp.

Passing a number directly instead of the variable.

The disp function shows the value of variable y. Use the variable name without quotes.

3fill in blank

hard

Fix the error in the script to correctly calculate the square of z.

MATLAB

z = 4;
square = z[1]2;

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

A^

B**

Cx

D*

Attempts:

3 left

💡 Hint

Common Mistakes

Using * instead of ^ for exponentiation.

Using ** which is invalid in MATLAB.

In MATLAB, the caret ^ is used for exponentiation to square a number.

4fill in blank

hard

Fill both blanks to create a script that calculates the area of a circle with radius r.

MATLAB

r = 3;
area = [1] * r[2] 2;

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

Api

B*

C^

D+

Attempts:

3 left

💡 Hint

Common Mistakes

Using * instead of ^ for squaring.

Using + instead of * for multiplication.

The area of a circle is pi * r^2. Use pi for π and ^ for power.

5fill in blank

hard

Fill all three blanks to create a script that calculates the average of three numbers a, b, and c.

MATLAB

a = 4;
b = 5;
c = 6;
avg = ([1] + [2] + [3]) / 3;

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

Aa

Bb

Cc

Davg

Attempts:

3 left

💡 Hint

Common Mistakes

Using the variable avg inside the sum.

Using numbers instead of variables inside the sum.

The average is the sum of a, b, and c divided by 3. Use the variable names inside the parentheses.