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Flag = 0; while Flag == 0 for x = 1:10 if x == 3 Flag = 1; end % end: if end % end; for end % end: while

Can anyone tell me why the while loop condition is not triggering when x is three? It runs the entire for loop and I get a value of 10. I am trying to have a flag trigger when a specific condition is met in the for loop.

Thank you!

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3
  • 5
    Because a while loop only checks its guard at the start of each iteration.
    – Scott Hunter
    CommentedMar 27 at 18:33
  • Ohhhh... I see. Thank you! That makes a lot of sense :)
    – Alexander Savadelis
    CommentedMar 27 at 18:35
  • 3
    Use break or return to exit the for loop early.
    – horchler
    CommentedMar 27 at 20:02

1 Answer 1

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5

If you want to break out of the for loop early then you should use break

Flag = 0; while Flag == 0 for x = 1:10 if x == 3 Flag = 1; break % Exit the 'for' loop end end end
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