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MATLABdata~10 mins

Why variable management matters in MATLAB - Test Your Understanding

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Practice - 5 Tasks
Answer the questions below
1fill in blank
easy

Complete the code to assign the value 10 to variable x.

MATLAB
x = [1];
Drag options to blanks, or click blank then click option'
A10
B'10'
Cx
Dten
Attempts:
3 left
💡 Hint
Common Mistakes
Using quotes around numbers, which makes them strings.
Trying to assign a variable to itself without initializing.
2fill in blank
medium

Complete the code to create a variable named 'result' that stores the sum of 5 and 3.

MATLAB
result = 5 [1] 3;
Drag options to blanks, or click blank then click option'
A+
B/
C*
D-
Attempts:
3 left
💡 Hint
Common Mistakes
Using '-' which subtracts instead of adds.
Using '*' or '/' which multiply or divide.
3fill in blank
hard

Fix the error in the code to correctly assign the value 7 to variable 'a'.

MATLAB
a [1] 7;
Drag options to blanks, or click blank then click option'
A=>
B~=
C==
D=
Attempts:
3 left
💡 Hint
Common Mistakes
Using '==' which compares instead of assigns.
Using invalid operators like '~=' or '=>'.
4fill in blank
hard

Fill both blanks to create a variable 'total' that stores the product of 4 and 6.

MATLAB
total = 4 [1] 6 [2] 0;
Drag options to blanks, or click blank then click option'
A*
B+
C-
D/
Attempts:
3 left
💡 Hint
Common Mistakes
Using '+' instead of '*' for multiplication.
Using '-' or '/' which change the result.
5fill in blank
hard

Fill all three blanks to create a variable 'average' that calculates the average of 10, 20, and 30.

MATLAB
average = ([1] + [2] + [3]) / 3;
Drag options to blanks, or click blank then click option'
A10
B+
C20
D30
Attempts:
3 left
💡 Hint
Common Mistakes
Placing '+' into a number blank.
Forgetting to include all three numbers.