rad
clear
c=(2:1:5);c
roots(c)
clear
c=2:1:4;
a=1;
d=2;
roots(x);
clear
f=5.11;
» m=400.3;
» a=m*f/(f-1);b=m-a;
» sigma=102.66;
» lamda=m*f/((f-1)*sigma);
» d=lamda^2;
x=200;
si=5;
v=si^2;
w=v^2;
g=a/d;
h=x-b;
c(1)=2*g*w;
c(2)=-v*(v+4*h*g);
c(3)=2*h*(v+g*h);
c(4)=a^2-h^2;
roots(c)
