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Contemporary Communications Systems Matlab Files

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Contemporary Communications Systems Matlab Files

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Matlab Files in this book

ip_02_02.m
% MATLAB script for Illustrative Problem 2.2.
clear
echo on
mx=[0 0]';
Cx=[1 1/2;1/2 1];
x=multi_gp(mx,Cx);  
% Computation of the pdf of (x1,x2) follows.
delta=0.3;
x1=-3:delta:3;
x2=-3:delta:3;
for i=1:length(x1),
   for j=1:length(x2),
      f(i,j)=(1/((2*pi)*det(Cx)^1/2))*exp((-1/2)*(([x1(i) x2(j)]-mx')*inv(Cx)*([x1(i);x2(j)]-mx))); 
      echo off ; 
   end;
end;
echo on ;
% Plotting command for pdf follows.
mesh(x1,x2,f);

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