%This is my first script!
clear all%good idea usually (but make sure you don't lose your vars)
n=3; %good idea to start with your parameters

%%
A=rand(3);
B=A*A';
eig_B=eig(B)

%%
C=inv(B)
eig_C=eig(C);

[eig_B 1./eig_C]
