以下程序有五个变量,那么如何把他们的取值范围加入到程序中呢,请指教
%x1取值范围[0 10],x2为[0 3000],x3为[0 1200],x4为[0 122],x5为[0 400],
syms x2
F=0.5;
B=30;
f1=(x2/(2+x2))*(1-x2)*(1-((-5+F+120*(x2/(x2+12)))*((F*(B-x2))/(F/0.2+20))/F/200))*(1-(2+F/0.02+50*(0.6/(F*x2))));
x2=vpasolve(f1,x2,[0,3000]);
x1=(F*(B-x2))./(123+F+50*x2);
x3=(10+F+5*x2).*((F*(B-x2))./(F+5*x2));
x4=(-5+F*4+5*(x2./(5*x2+5))).*((4+F/0.1+20*(x2./(x2+10))));
x5=(-5+F+(x2./(x2+2))).*(10/F+12./(F*x2)).*((F*(B-x2))./(F+(x2./(x2+B))));
p1=[x1,x2,x3,x4,x5]