How to write the correct expression of this function?

Hi, So I have v=[5 4 3 2 1] and I have to uses a particular mathematical expression to create the following vector!!

v=[5^5 4^4 3^3 2^2 1^1]

Any suggestions?! Thank you in advance!

Answer 1

[Roger Stafford]

   v = v.^v;

[Stephen23]

This gives the right answer :)