Get Introduction to Programming with MATLAB Quiz Answers
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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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