📄 pn_test.m
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%Name: Chris Shoemaker
%Course: EER-280 - Digital Watermarking
%Project: Tests that using rand X times generates the same values as rand(1,X)
clear all;
% read in key for PN generator
file_name='_key.bmp';
key=double(imread(file_name))./256;
% reset MATLAB's PN generator to state "key"
rand('state',key);
% execute rand 20 times
for i=1:20
test1(i)=rand;
end
% reset MATLAB's PN generator to state "key"
rand('state',key);
% generate 20 element random vector
test2=rand(1,20);
% check to make sure they're equal
difference=sum(test1-test2),
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