Find function in matlab

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

Answer 1

[Stephen23]

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:

[kay Dee]

Aaaah Thank you very much! i had just spent like 2 hours just trying to find out what it is . Thanks