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function F=fun(x)
ya0=0.05;ye0=0.2;yf0=0.75;
Kp1=6.6090e9;Kp2=568.35;Kp3=2.4474e5;Kp5=6.6946e16;Kp6=3.3131e-3;Kp8=1.4006e13;
F=[Kp1*((1+2/3*x(2)-2*x(5)-2*x(4))*ya0-1/3*(3*x(1)+2*x(2)+x(3)+x(5)+x(4)+x(6)))*((1+2/3*x(2)-2*x(5)-2*x(4))*ye0-1/3*(3*x(1)+x(2)+2*x(3)-7*x(5)+5*x(6)-4*x(4)))-x(2)*((1+2/3*x(2)-2*x(5)-2*x(4))*yf0+x(1)-x(5)+x(6));
   Kp2*((1+2/3*x(2)-2*x(5)-2*x(4))*ya0-1/3*(3*x(1)+2*x(2)+x(3)+x(5)+x(4)+x(6)))*((1+2/3*x(2)-2*x(5)-2*x(4))*ye0-1/3*(3*x(1)+x(2)+2*x(3)-7*x(5)+5*x(6)-4*x(4)))- x(2)*x(3);
  Kp3*((1+2/3*x(2)-2*x(5)-2*x(4))*ya0-1/3*(3*x(1)+2*x(2)+x(3)+x(5)+x(4)+x(6)))*((1+2/3*x(2)-2*x(5)-2*x(4))*ye0-1/3*(3*x(1)+x(2)+2*x(3)-7*x(5)+5*x(6)-4*x(4)))^2-x(3)^3;
   Kp5*((1+2/3*x(2)-2*x(5)-2*x(4))*ya0-1/3*(3*x(1)+2*x(2)+x(3)+x(5)+x(4)+x(6)))*((1+2/3*x(2)-2*x(5)-2*x(4))*yf0+x(1)-x(5)+x(6))^3-10e6*x(5)^3*((1+2/3*x(2)-2*x(5)-2*x(4))*ye0-1/3*(3*x(1)+x(2)+2*x(3)-7*x(5)+5*x(6)-4*x(4)))^7;
   Kp6*((1+2/3*x(2)-2*x(5)-2*x(4))*ye0-1/3*(3*x(1)+x(2)+2*x(3)-7*x(5)+5*x(6)-4*x(4)))*x(5)-x(4)*((1+2/3*x(2)-2*x(5)-2*x(4))*yf0+x(1)-x(5)+x(6));
   Kp8*x(3)*((1+2/3*x(2)-2*x(5)-2*x(4))*ye0-1/3*(3*x(1)+x(2)+2*x(3)-7*x(5)+5*x(6)-4*x(4)))-x(6)*((1+2/3*x(2)-2*x(5)-2*x(4))*yf0+x(1)-x(5)+x(6));
   ];

ÏÂÃæÊǵ÷ÓÃ

   x0=[0.1;0.1;0.1;0.1;0.1;0.1];
options=optimset('Display','iter');
y=fsolve(@fun,x0,optimset('fsolve'))

yA=((1+2/3*y(2)-2*y(5)-2*y(4))*0.1-1/3*(3*y(1)+2*y(2)+y(3)+y(5)+y(4)+y(6)))

yE=((1+2/3*y(2)-2*y(5)-2*y(4))*0.5-1/3*(3*y(1)+y(2)+2*y(3)-7*y(5)+5*y(6)-4*y(4)))

yF=((1+2/3*y(2)-2*y(5)-2*y(4))*0.4+y(1)-y(5)+y(6))

> total=y(1)+y(2)+y(3)+y(4)+y(5)+y(6)+yA+yE+yF
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2Â¥2013-06-22 16:52:34
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x1: 0.452159092308927
x2: -3.5576820815459E-17
x3: -1.6802621629643E-17
x4: 0.70583278260955
x5: 0.289090165134331
x6: 0.579315494431816

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x1: 2.3247555351878
x2: -3.51606195970296
x3: 2.54582708579748E-8
x4: -1.05916256056018
x5: 1.08911300900033
x6: -0.182685684997559
3Â¥2013-06-24 09:06:15
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3Â¥: Originally posted by dingd at 2013-06-24 09:06:15
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1£º
x1: 0.452159092308927
x2: -3.5576820815459E-17
x3: -1.6802621629643E-17
x4: 0.70583278260955
x5: 0.289090165134331
x6: 0. ...

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