How do I call the elements in an array to be counted?

1 次查看(过去 30 天)
I am trying to create a while loop which loops over the elements in the array sumCheck and stops looping when it reaches an element that is greater than 9. I also want to count how many times the loop loops, so I've used count.
count = 0
while sumCheck <= 9 && count<=length(sumCheck)
count = count + 1
end
count
So far I've written this, but I feel like I'm missing something. I'm not sure how to call for all the elements in sumCheck to be less than 9.

回答(2 个)

Image Analyst
Image Analyst 2020-11-26
Try this
count = 1;
while sumCheck(count) <= 9
count = count + 1
end
fprintf('Exited loop when count = %d and sumCheck(%d) = %f.\n', count, count, sumCheck(count))
  2 个评论
Soph E
Soph E 2020-11-26
thank you. however it seems to stop at the element after the element of value of 9 instead of at the element of value 9 itself e.g. at 10 instead of 9?
Image Analyst
Image Analyst 2020-11-26
Yes, because you said "stops looping when it reaches an element that is greater than 9." so it will stop at 10. If you want the one before that, simply subtract 1 from count after the loop.
count = 1;
while sumCheck(count) <= 9
count = count + 1
end
fprintf('Exited loop when count = %d and sumCheck(%d) = %f.\n', count, count, sumCheck(count))
count = count - 1;
or change <= to <.

请先登录,再进行评论。


Ameer Hamza
Ameer Hamza 2020-11-26
You can do it without loop
count = find(sumCheck>9, 1) - 1;

类别

Help CenterFile Exchange 中查找有关 Loops and Conditional Statements 的更多信息

产品


版本

R2020b

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by