function [ Au ] = test( IC0, UT, R1, R2, RC, Rt, Rg, B, RE1 )
A= RePlus(RC,Rt);
rE= UT/IC0;
rB= (B+1)*rE;
rBplusRE1= rB+RE1;
C= RePlus(R1,R2);
R1xR2xrBplusRE1= RePlus(C,rBplusRE1);
alfa= B/(B+1);


Au= ((-alfa*A)/(rE+RE1))*(R1xR2xrBplusRE1/(Rg+R1xR2xrBplusRE1));
disp(['Au= ', num2str(Au)]);
end