Find function in matlab

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kay Dee
kay Dee on 24 Feb 2020
Commented: kay Dee on 25 Feb 2020
Hello i am trying to understand how to use this find function in matlab but i don't understand welll how it works , can anybody please explain to me where these answers are coming from ??
a =
11 5 9
15 1 6
17 12 21
>> [raws,coloms]=find(a>10)
raws =
1
2
3
3
3
coloms =
1
1
1
2
3

Accepted Answer

Stephen23
Stephen23 on 24 Feb 2020
Edited: Stephen23 on 24 Feb 2020
find returns the indices of non-zero elements of an array. You provided find with a logical array with these values:
>> a>10
ans =
1 0 0
1 0 0
1 1 1
That means the row and column indices are for those non-zero (i.e. true) values:
  1 Comment
kay Dee
kay Dee on 25 Feb 2020
Aaaah Thank you very much! i had just spent like 2 hours just trying to find out what it is . Thanks

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