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function F=myfun(x)
F=[((7.22-3.56)*sqrt(x(1))*exp(-(x(4))^2/(4*x(1))))/(erf((x(4))/(2*sqrt(x(1)))))-(sqrt(pi)*x(4)*(3.56-3.05)/2)-(((3.05-0.924)*sqrt(x(2))*exp(-(x(4))^2/(4*x(2))))/(erf((x(5))/(2*sqrt(x(2))))-erf((x(4))/(2*sqrt(x(2))))));
((0.263-0.016)*sqrt(x(3))*exp(-(x(5))^2/(4*x(3))))/(erf((x(5))/(2*sqrt(x(3)))-erf((x(6))/(2*sqrt(x(3))))))-(sqrt(pi)*x(5)*(0.924-0.263)/2)-(((3.05-0.924)*sqrt(x(2))*exp(-(x(5))^2/(4*x(2))))/(erf((x(4))/(2*sqrt(x(2))))-erf((x(5))/(2*sqrt(x(2))))))];

>> x0=[];
>> options=optimset('Display','iter');
>> [x,fval]=fsolve(@myfun,x0,options)
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