P=[0.1254 0.2315 0.3297;
    0.2315 0.3297 0.4376;
    0.3297 0.4376 0.5425;
    0.4376 0.5425 0.6078;
    0.5425 0.6078 0.7119]';
T=[0.4376 0.5425 0.6078 0.7119 0.8685];
P_test=[0.6078 0.7119 0.8685]';
net=newrbe(P,T,5);
Y=sim(net,P_test)