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clear;
x0=[300 300 300 300 300 0.5];
x1 = fsolve(@myfun,x0)


function F = myfun(x);
Tf=x(1);
Tb=x(2);
Tri=x(3);


Tro=x(4);
Tco=x(5);
es=x(6);


eq1=3.14*Df*l*hbf*(Tb-Tf)-(kb*Df*l/ab*(Tri-Tb));


eq2=2*3.14*l*kr*(Tro-Tri)/log(Dro/Dri)-(kb*l*Df/ab*(Tri-Tb));


eq3=G*0.34*l*abs*ref*tao-2*3.14*l*kr*(Tro-Tri)/log(Dro/Dri)-3.14*Dro*hro*l*(Tro^2+Tco^2)*(Tro+Tco)*(Tro-Tco);


eq4=(3.14*b*Dco*aco*l*(Tco^4-Tsky^4)+3.14*Dco*l*hca*(Tco-Ta))-G*0.34*l*0.05*ref-3.14*Dro*hro*l*(Tro^2+Tco^2)*(Tro+Tco)*(Tro-Tco);


eq5=2*m*Cf*(Tf-Tfi)+ql-G*0.34*l*abs*ref*tao+G*0.34*l*0.05*ref;


eq6=es-2*m*Cf*(Tf-Tfi)/(G*0.34*l);


F=[eq1 eq2 eq3 eq4 eq5 eq6]
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