Consult, MATLAB in the two sentences (I was) used in the automatic gain control, how to use Verilog describe ah, because recently in do with vivado agc module, also, every brother please help me take a look at

For n=2: length (RE_IN)

Yout_RE (n)=gainAGC_RE x_IN (n - 1) * (n);

=gainAGC_RE gainAGC_RE (n) (n - 1) + Loop_gain * (refer_C - yout_RE (n));

end