How to use "raise to the power" function in matlab

Jn(icounter)=sqrt(pow((Lxn_dash),2)+pow((mxn_dash),2)+pow((nxn_dash),2)) Lxn_dash to the power 2??

Answer 1

[Torsten]

Jn(icounter) = sqrt(Lxn_dash^2 + mxn_dash^2 + nxn_dash^2)

Answer 2

[KSSV]

   Lxn_dash^2

if your Lxn_dash is an array..you have to follow element by element power

   Lxn_dash.^2