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**Find In Page**### MATLAB Questions and Answers

1. What does Matlab stand for?

2. What symbol precedes all comments in Matlab?

3. Which of the following is not a pre-defined variable in Matlab?

4. This Matlab command clears all data and variables stored in memory:

5. Characters in Matlab are represented in their value in memory.

6. Which is these is not an aspect of a for/while loop:

7. To better manage memory and prevent unnecessary memory allocations, Matlab uses:

8. To print a newline in a fprintf statement, you must use the following escape character:

9. In Matlab, this keyword immediately moves to the next iteration of the loop:

10. Which of the following will correctly define x, y, and z as symbols?

11. Which of these is the way to access the first element in a vector named v (assuming there is at

least one element in the vector)?

12. Which of the following is used to see if two elements are equal in MATLAB?

13. If vector = [1 2 3 4; 11 24 92 100; 345 65 90 1]. What will the value of a be equal to if this

code is entered into MATLAB >>[a b] = size (vector)?

14. What is the value of ans that is printed when the following code is run: isnumeric(32)

15. If I want to save a formatted string to memory, but don’t want to print it out, which

command should I use?

16. To add a comment to the mfile, the MATLAB command is

17. When used in the fprintf command, the %g is used as the

18. When used in the fprintf command, the \n is used to

19. To display ‘Question 2’ in the command window, the correct command is

20. The clc command is used to

21. The num2str command

22. The output of the last line is

aa=2

as=num2str(aa)

cat=[‘cat’ as]

23. To join one or more strings into a single string is known as

24. The output of

cat=[‘cat’ ‘dog’]

is

25. What are MEX files in MATLAB?

26. How to stop the execution of a chain of commands?

27. MATLAB allows modelling of different control systems using ___________

28. What is not displayed by the Workspace?

29. The function to close the windows containing graphs generated from MATLAB is ___________

30. What will the following set of commands do when they are present in a script file?

stem[y1,y2]; title(‘p’); print -deps p

31. What are the difference between the ‘help’ and the ‘look for’ command?

32. Where do we need to store a function to call it in other programs?

33. To display comments of M-file, we use ___________

34. To add comments in MATLAB, use _________

35. Which functions help you to save and load variables?

### Wrap Up

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