LINGO ERROR CODE 是1017 我写的代码如下MODEL:1] min = 0.5*C_P*(Q*(1-D/P)-S)^2/(Q*(1-D/P))2] +C_D*D/Q+0.5*C_S*S^2/(Q*(1-D/P));3] T1=(Q*(1-D/P)-S)/(P-D)*365;4] T2=(Q*(1-D/P)-S)/D*365;5] T3=S/D*365;6] T4=S/(P-D)*365;7] T= T1+T2+T3+T4;8] data;9] C_D=50010] D=490011] C_P=100012] P=980013] C_S=2000;14] enddataEND

LINGO ERROR CODE 是1017 我写的代码如下
MODEL:
1] min = 0.5*C_P*(Q*(1-D/P)-S)^2/(Q*(1-D/P))
2] +C_D*D/Q+0.5*C_S*S^2/(Q*(1-D/P));
3] T1=(Q*(1-D/P)-S)/(P-D)*365;
4] T2=(Q*(1-D/P)-S)/D*365;
5] T3=S/D*365;
6] T4=S/(P-D)*365;
7] T= T1+T2+T3+T4;
8] data;
9] C_D=500
10] D=4900
11] C_P=1000
12] P=9800
13] C_S=2000;
14] enddata
END