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10 Questions

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Introduction to Variables in MATLAB

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Questions and Answers

What is the purpose of a variable in MATLAB?

To display output to the user

To perform mathematical operations on data

To store data in memory and be able to recall it (correct)

To create new functions

What does the operator '=' signify in MATLAB?

Subtraction operation

Comparison of two values

Addition operation

Assignment of a value to a variable (correct)

What is the correct way to assign a value to a variable in MATLAB?

$x == 10$

$x*2 = 20$

$x = 20/2$

$x = 20$ (correct)

What does the 'whos' command do in MATLAB?

Inspects the workspace and displays information about variables Signup and view all the answers

Which set does a value belong to if its size is specified as '1x1'?

Numbers Signup and view all the answers

In MATLAB, what does the expression $1:2:10$ represent?

The sequence 1, 3, 5, 7, 9, 10 Signup and view all the answers

What is the result of the MATLAB expression $4:0.5:6$?

4 and 4.5 Signup and view all the answers

If a matrix in MATLAB has inconsistent row dimensions, what error message would be produced?

'Dimensions of arrays being concatenated are not consistent.' Signup and view all the answers

What does the expression $[1;2;3]$ represent in MATLAB?

A column vector with elements 1, 2, and 3 Signup and view all the answers

Which notation is used to define an arithmetic sequence in MATLAB?

'initial element : increment : last element' Signup and view all the answers