Coding expected variables

Dear all,

I am new to Dynare and I have a very simple question. I want to implement the formula:

A(t) = ( E_t** ) ^ (1/x)

where x is a parameter and A and B two variables.

Is the following code correct :

C=B(+1)^x;
A=C^(1/x);

Thanks,
Alexis**

that seems right.