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function f =  emuch(x)
B = 0.003;
C = 0.0027;
H = x(1)+75*(B+C)+0.5*x(11);
alpha1 = 0.5+6*x(10)-H;
beta1 = H*(0.01-1)+(0.5+6*x(10))*(1+0.01);
gamma1 = 0.01*H;
alpha2 =0.15-x(10);
beta2 = 0.3;
gamma2 = x(10);
alpha3 = 0.3+0.2*x(10)-x(8);
beta3 = x(8)*(0.1-1)+(0.3+0.2*x(10))*(1+0.1);
gamma3 = x(6)*0.1;
Q = 0.01*(1-x(9))+2*x(9)+0.05*x(6);
P = 0.1+0.25*x(6);
R = 0.3*(20*B+2*C+x(1)+x(11)+0.067*x(10));
J = 0.64*(B+x(1)+0.5*x(11)+x(10));

f1 = 0.05*(2*gamma1/(beta1+sqrt(beta1^2-4*alpha1*gamma1)))-0.1*x(1);
f2 = 0.002+0.05*(2*gamma2/(beta2+sqrt(beta2^2-4*alpha2*gamma2)))-Q*x(2);
f3 = 0.006+0.02*(2*gamma1/(beta1+sqrt(beta1^2-4*alpha1*gamma1)))-P*x(3);
f4 =0.02+0.1*(2*gamma3/(beta3+sqrt(beta3^2-4*alpha3*gamma3)))-(0.01+R/(0.05+x(4)))*x(4);
f5 = 50*x(10)*x(12)-(0.06+Q+R/(0.05+x(4)))*x(5);
f6 = 50*x(11)*x(12)-(0.06+P+R/(0.05+x(4)))*x(6);
f7 = (0.005+0.06*x(8))-0.08*x(7);
f8 = x(7)-2*x(8);
f9 = (0.04+2*x(8))*(1-x(9))/(1.05-x(9))-J*x(9)/(0.05+x(9));
f10 = x(2)-x(5);
f11 = x(3)-x(6);
f12 = x(4)-x(5)-x(6);
f = [f1 f2 f3 f4 f5 f6 f7 f8 f9 f10 f11 f12];
end
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Parameter x(1:12);
//Constant
Constant   B = 0.003;
Constant   C = 0.0027;
//ConstStr
ConstStr  H = x1+75*(B+C)+0.5*x11;
ConstStr  alpha1 = 0.5+6*x10-H;
ConstStr  beta1 = H*(0.01-1)+(0.5+6*x10)*(1+0.01);
ConstStr  gamma1 = 0.01*H;
ConstStr  alpha2 =0.15-x10;
ConstStr  beta2 = 0.3;
ConstStr  gamma2 = x10;
ConstStr  alpha3 = 0.3+0.2*x10-x8;
ConstStr  beta3 = x8*(0.1-1)+(0.3+0.2*x10)*(1+0.1);
ConstStr  gamma3 = x6*0.1;
ConstStr  Q = 0.01*(1-x9)+2*x9+0.05*x6;
ConstStr  P = 0.1+0.25*x6;
ConstStr  R = 0.3*(20*B+2*C+x1+x11+0.067*x10);
ConstStr  J = 0.64*(B+x1+0.5*x11+x10);

ConstStr   f1 = 0.05*(2*gamma1/(beta1+sqrt(beta1^2-4*alpha1*gamma1)))-0.1*x1;
ConstStr   f2 = 0.002+0.05*(2*gamma2/(beta2+sqrt(beta2^2-4*alpha2*gamma2)))-Q*x2;
ConstStr   f3 = 0.006+0.02*(2*gamma1/(beta1+sqrt(beta1^2-4*alpha1*gamma1)))-P*x3;
ConstStr   f4 =0.02+0.1*(2*gamma2/(beta3+sqrt(beta3^2-4*alpha3*gamma3)))-(0.01+R/(0.05+x4))*x4;
ConstStr   f5 = 50*x10*x12-(0.06+Q+R/(0.05+x4))*x5;
ConstStr   f6 = 50*x11*x12-(0.06+P+R/(0.05+x4))*x6;
ConstStr   f7 = (0.005+0.06*x8)-0.08*x7;
ConstStr   f8 = x7-2*x8;
ConstStr   f9 = (0.04+2*x8)*(1-x9)/(1.05-x9)-J*x9/(0.05+x9);
ConstStr   f10 = x2-x5;
ConstStr   f11 = x3-x6;
ConstStr   f12 = x4-x5-x6;

Function f1=0;
f2=0;
f3=0;
f4=0;
f5=0;
f6=0;
f7=0;
f8=0;
f9=0;
f10=0;
f11=0;
f12=0;
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x1: -0.00241408292469573
x2: -1.19963721286631E-5
x3: -0.00163511248524538
x4: -0.00164712704345382
x5: -1.19975380217937E-5
x6: -0.00163512908617766
x7: -7.04705240745422E-20
x8: 1.73072251386771E-18
x9: -0.00331312406855758
x10: -0.0122596988050143
x11: -1.65447541443873
x12: -0.000192121359156606
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