Question

5. Can I use logical conditions in a SWITCH statement?

6. Draw the information flow diagram (flowchart) for a FOR loop

7. Can the looping variable in a FOR loop be a decimal number such as 2.3 ?

8. Does the looping variable in a FOR loop always have to start from 1 ?

9. Why would someone use a WHILE loop instead of a FOR loop?

10. How can I check the time elapsed to execute a set of statements?

11. What is the difference between BREAK and CONTINUE?

12. How does MATLAB know that a control statement (such as IF-ELSE, FOR, etc) has ended?

Answer 1

Ans5.Yes. You can use logical conditions in a switch statement.

Ans6.Example of for loop:- for(i=2;i<=10;i=i+2){print(i)}
The flowchart of the for loop is given below.



Ans7.Yes. a looping variable in a for loop can be a decimal number such as 2.3

Ans8.No, it can be anything.


Ans9. a for loop runs for a pre-determined number of times.
if we know the number of times we want to run it, then we can use it.
but we only the pre-determined condition, then we should use while loop.
it will run until that condition occurs.



Ans10.in every language there are some predefined functions that you can use
like in c
t=clock()
then after 1 statement
t=clock()-t



Ans11.break and continue are used in loops.
if the condition says break then the program comes out of that loop.
if the condition says continue then program do not do anything else in the loop, it just goes for next iteration.




Ans12.we have to put end after completing if-else , for loop.
for example:
for i in range(0,n):
do something
end







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