Row and column vectors in MATLAB - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to create a row vector with elements 1 to 5.

MATLAB

v = [1 [1] 5];

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

A:

B;

C,

D.

Attempts:

3 left

💡 Hint

Common Mistakes

Using a semicolon ; inside square brackets creates a column vector, not a row vector.

Using a comma , is valid but not the best way to create a sequence.

In MATLAB, the colon operator : creates a sequence of numbers. So 1:5 creates a row vector [1 2 3 4 5].

2fill in blank

medium

Complete the code to create a column vector with elements 1 to 5.

MATLAB

v = [1[1]5]';

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

A.

B:

C,

D;

Attempts:

3 left

💡 Hint

Common Mistakes

Using a semicolon ; creates [1;5]' which is row [1 5].

Using a comma , creates [1,5]' which is column [1;5] but only two elements.

In MATLAB, the colon operator : creates the row vector [1 2 3 4 5]. Transposing it with ' creates the column vector [1;2;3;4;5].

3fill in blank

hard

Fix the error in the code to create a column vector with elements 1 to 3.

MATLAB

v = [1 [1] 3]';

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

A:

B,

C;

D.

Attempts:

3 left

💡 Hint

Common Mistakes

Using a semicolon ; creates [1;3]' row [1 3].

Using a comma , creates [1,3]' column [1;3] only two elements.

In MATLAB, use colon : to create row vector [1 2 3], then transpose ' to get column vector [1;2;3].

4fill in blank

hard

Complete the code to create a row vector with elements 2 to 8.

MATLAB

v = [[1] : 8];

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

A2

B:

C,

D;

Attempts:

3 left

💡 Hint

Common Mistakes

Using semicolon ; creates a column vector, not a row vector.

Using commas , without the colon operator does not create a sequence.

In MATLAB, the colon operator : creates sequences.

5fill in blank

hard

Complete the code to create a column vector with elements 5 to 15.

MATLAB

v = [[1]:15]';

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

A5

B:

C;

D,

Attempts:

3 left

💡 Hint

Common Mistakes

Using commas , creates a row vector before transpose.

Not using the colon operator fails to create the full sequence.