Multiples of 5

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Edward
Edward 2012 年 5 月 26 日
Hi, ive got an array of numbers and i want to delete the array values whose index is a multiple of 5. How can i do this?

採用された回答

Walter Roberson
Walter Roberson 2012 年 5 月 26 日
for K = numel(YourArray): -1 : 1
if (K / 5) == fix(K / 5)
YourArray(K) = [];
end
end
There are definitely easier ways, but your question sounds like an assignment.
  1 件のコメント
Image Analyst
Image Analyst 2012 年 5 月 26 日
Other ways would be the use the rem() or mod() function.

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その他の回答 (1 件)

Andrei Bobrov
Andrei Bobrov 2012 年 5 月 26 日
x - your array
out = x(rem(x,5) ~= 0)
  2 件のコメント
Walter Roberson
Walter Roberson 2012 年 5 月 26 日
It is the _index_ whose value is a multiple of 5 that is to be affected, not according to the value of the array.
It seems likely to me that this task is homework, so I have refrained from giving the very short and simple solution.
Edward
Edward 2012 年 5 月 30 日
It wasn't but thanks anyway!

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