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//Eg-5.5
//pg-223
clear
clc
A=[0.35 0.15;0.15 .1];
a1=zeros(2,1);
a1(1)=trace(A);
A1=A;
for k=2
A2=A*(A1-a1(k-1)*eye(2,2));
a1(k)=trace(A2)/k;
end
c=[1; -a1];
disp("hence coefficients of eigen equation are as follows in decreasing order of polynomial")
disp(c)
p=[c(1),c(2),c(3)];
s=roots(p);
disp("hence eigen valuesi.e principal moments of inertia are....")
disp(s)
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