How to get sorted index order for an array?

For example, if I use the sort function on the array [14 8 91 19], I will get [8 14 19 91]. But instead I want [2 1 4 3] which gives me the indices of elements in the original array.

Is there any inbuilt function or does the sort function accept any additional argument to accomplish this? Otherwise I have to write my own function.

Answer 1

[Stephen23]

You can obtain the output indices directly from sort:

>> [out,idx] = sort([14 8 91 19])
out =
     8    14    19    91
idx =
     2     1     4     3

See the sort documentation for more useful information.

[Seraphin Kimaryo]

Thanks buddy.

[Anirudha bajaj]

Thank you so much