# Introduction to Programming with MATLAB Quiz Answers

## Get Introduction to Programming with MATLAB Quiz Answers

This course teaches computer programming to those with little to no previous experience. It uses the programming system and language called MATLAB to do so because it is easy to learn, versatile and very useful for engineers and other professionals. MATLAB is a special-purpose language that is an excellent choice for writing moderate-size programs that solve problems involving the manipulation of numbers.

The design of the language makes it possible to write a powerful program in a few lines. The problems may be relatively complex, while the MATLAB programs that solve them are relatively simple: relative, that is, to the equivalent program written in a general-purpose language, such as C++ or Java. As a result, MATLAB is being used in a wide variety of domains from the natural sciences, through all disciplines of engineering, to finance, and beyond, and it is heavily used in industry. Hence, a solid background in MATLAB is an indispensable skill in today’s job market.

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### Introduction to Programming with MATLAB Quiz Answers

#### Quiz : Lesson 2 Wrap-up

Q1. The value of a after this command: a = [0; 0; 1]’ * [1 2 3; 4 5 6; 7 8 9]

• [7, 8 , 9]
• [3 ; 6 ; 9]
• [3 , 6 , 9]
• [7 ; 8; 9]

Q2. What will be the value of s after this command: A = [1:4; -2:2:5; 3 1 0 -1]; s = A(end-1,end-1);

• 0
• -1
• 2
• We get an error message.

Q3. Which of the following is a valid variable name?

• 5x2x3x
• MATLAB_Rulez!
• I_Hate_This_Quiz_So_Much
• All of the options above are invalid.

Q4. After this command: v = 111:-11:1; how many elements will v have?

• 1
• 0
• 11
• 10

Q5. In MATLAB, operators work on:

• operands
• associations
• a tight schedule
• arguments

Q6. The variable t after these commands v = 1:3:33; t = v(end) will be:

• 33
• 32
• 31
• None of the above.

Q7. The variable t after these commands t = (16:-4:1) ‘ .^ 2 will be

• a 4-element vector
• a 4×4 matrix
• a scalar
• None of the above. MATLAB will print an error message.

Q8. The value of p after this command: A = [1:4; 5:8; 9:12]; p = size(A);

• will be 12
• will be a 3-by-4 matrix
• will be a 2-element vector
• 4

Q9. Matrix multiplication works if its two operands

• are vectors; specifically, the first one is a column vector and the second one is a row vector of any length.
• are scalars.
• are square matrices of the same size.
• The first and second options are correct.
• The second and third options are correct.
• All of the options are correct.

Q10. Array multiplication works if the two operands

• are vectors.
• have the same inner dimensions.
• have the same outer dimension.
• are square matrices of the same size.
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