Having trouble to solve equations
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E=1.42;
x=sym('x%d',[1,3]);
a=((E+x(1))*0.1+(-x(2)-7*x(3))*(((E+x(1))*(E+x(1))*(E+x(1))*(E+x(1)))/(((E+x(1))*(E+x(1))*(E+x(1))*(E+x(1)))+1)))*(1-x(1))-0.1*x(1);
b=((1+x(2))*0.1+x(1)*(((1+x(2))*(1+x(2))*(1+x(2))*(1+x(2)))/(((1+x(2))*(1+x(2))*(1+x(2))*(1+x(2)))+1)))*(1-x(2))-0.1*x(2);
c=((1+x(3))*0.1+23*x(1)*(((1+x(3))*(1+x(3))*(1+x(3))*(1+x(3)))/(((1+x(3))*(1+x(3))*(1+x(3))*(1+x(3)))+1)))*(1-x(3))-0.1*x(3);
[solutions_x1, solutions_x2, solutins_x3] = solve(a == 0, b == 0, c == 0, x(1), x(2), x(3))
This is the code that I am trying to run in order to find the respective solutions but MATLAB is taking forever to give an answer. May I know how to find the solutions in MATLAB? Can anyone help me out?
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madhan ravi
2019년 5월 19일
E=1.42;
F=@(x)[((E+x(1))*0.1+(-x(2)-7*x(3))*(((E+x(1))*(E+x(1))*(E+x(1))*(E+x(1)))/(((E+x(1))*(E+x(1))*(E+x(1))*(E+x(1)))+1)))*(1-x(1))-0.1*x(1);
((1+x(2))*0.1+x(1)*(((1+x(2))*(1+x(2))*(1+x(2))*(1+x(2)))/(((1+x(2))*(1+x(2))*(1+x(2))*(1+x(2)))+1)))*(1-x(2))-0.1*x(2);
((1+x(3))*0.1+23*x(1)*(((1+x(3))*(1+x(3))*(1+x(3))*(1+x(3)))/(((1+x(3))*(1+x(3))*(1+x(3))*(1+x(3)))+1)))*(1-x(3))-0.1*x(3)];
x=fsolve(F,[0;0;0])
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