Clear Filters
Clear Filters

I want to perform optimization on entropy in the program below

1 view (last 30 days)
*Issue 1: I am having some difficulties optimizing the entropy in the program. I have applied the whole techniques in matlab library se(j)= -sim(j)*log10(sim(j))/log10(100); and sum= (-pc(j,k)*log(pc(j,k))/log10(100) )+ sum * Issue 2:When I implement to the program Fig 1 is not coming. I need an assistance on these issues
tp=zeros(10,10), fp=zeros(10,10); phh=zeros(10,10); pmm=zeros(10,10); pmh=zeros(10,10); phm=zeros(10,10); M=zeros(10,10); H=zeros(10,10); source=zeros(10,200,100); avgT=zeros(10,10); eval= zeros(1, 100); sim = zeros(10, 1); se=zeros(10,1); ce =zeros(10,1); pc= zeros(10,100); c=zeros(10,100); T=zeros(100,100,10);
actM=[1 1 1 1 1 0 0 0 0 0]; %cw2= [ 1 0 0 0 0 1 1 1 1 1] ; %tq=zeros(10,T); cw3=zeros(1,100); q=10; while q <50 d=1; T=zeros(10,100,100); while d <5 %%%%%%%%%%%%%%%%%%% iterating over percentage of malicious packets
phh=zeros(10,10); pmm=zeros(10,10); pmh=zeros(10,10); phm=zeros(10,10); M=zeros(10,10); H=zeros(10,10); iter=1; while iter < 10 %%%%%% look into the following code, it does not run for iterations %%%%%%%%%%%%%%%% generating multiple runs for the given percentage %%%%%%%%%%%%%%%% of malicious packets
eval=zeros(1,100);
rp=randperm(100);
eval(rp(1:q)) = 1;
cw1=bsc(eval,0.04);
cw2=zeros(1,100);
%%%%%%%%%%%formulating malicious behavior
% for i = 1:100
%if i < q
% if eval(i)==1
% cw2(i)=0;
% else
% cw2(i)=1;
% end
% else
% cw2(i)=eval(i);
% end
% end
cw2=bsc(eval,(q/100));
source=zeros(100,200,100);
sim = zeros(10, 1); se=zeros(10,1); ce =zeros(10,1);
pc= zeros(10,100);
c=zeros(10,100);
for i=1:100
for j=1:10
source(j,i,:) =eval;% cw1;
if rem(i,10)<(d )&& j<((10/2) +1) &&i>1 %%%%%%%%%%%%%%%%%%%%malicious behavior %%%%%%%%%%%%%%
source(j,i,:)=cw2;%bsc(eval,q/100);
end
% if rem(i,10)<d &&j>3&&j<6 %%%%%%%%%%%%%%to have different amounts
% of misbehavior
% source(j,i,:)=cw3;
% end
for k=1:100
if (i ==1)
c(j,k)=1;
end
if (i>1&& source(j,i,k) == source(j,i-1,k))
c(j,k) =c(j,k)+1;
end
end
sim(j)= similar(source(j,i,:),(eval));
se(j)= -sim(j)*log10(sim(j))/log10(100);%%Issue 1
if isnan(se(j))
se(j)=1;
end
pc(j,:)=c(j,:)/i; pc(1,:)=c(1,:)/i;
sum =0;
for k=1:100
sum= (-pc(j,k)*log(pc(j,k))/log10(100) )+ sum; %%%issue 2 % computing the entropy of each source for the whole code word
end
ce(j) =sum;
if isnan(ce(j))
ce(j)=1;
end
if i <2
T(d,i,j)=1-se(j); %%%%%%%%d is replaced by d
else
T(d,i,j)= (1-(se(j)+ce(j)))*0.5+ 0.5*T(d,i-1,j);
T(d,i,j)= T(d,i,j)/max(T(d,:,j));
end
if (isnan(T(d,i,j)) )
T(d,i,j)=0;
end
if (T(d,i,j)>1)
T(d,i,j)=1;
end
if (T(d,i,j)<0)
T(d,i,j)=0;
end
end
end
for i = 1: 10 % d*10 to 10 avgT(d,i)=mean(T(d,:,i)); %%%%%%%%%% replacing 'd 'by d if avgT(d,i)<0.75 M(d,i)=M(d,i)+1; if actM(i)==1 pmm (q/10,d)= pmm(q/10,d)+1; else pmh(q/10,d) =pmh(q/10,d)+1; end else H(d,i)=H(d,i)+1; if actM(i)==0 phh(q/10,d)=phh(q/10,d)+1; else phm(q/10,d) =phm(q/10,d)+1; end end end iter =iter+1; end % tp(q/10,d)=pmm(q/10,d)/(pmm(q/10,d)+phm(q/10,d)); tp(q/10,d)=pmm(q/10,d)/(pmm(q/10,d)+phm(q/10,d)); % fp(q/10,d)=pmh(q/10,d)/(phh(q/10,d)+pmh(q/10,d)); fp(q/10,d)=pmh(q/10,d)/(phh(q/10,d)+pmh(q/10,d)); d=d+1;
end
q =q+10; x=1:100; figure(q/10) plot(x,T(1,:,9),'-ob', x,T(1,:,2),'-dr', x, T(2,:,2),'-sg',x,T(3,:,2),'-m*',x,T(5,:,2),'-k^'); legend('Honest', 'Malicious, p =0.1, 10% recommendations are false', 'Malicious,p=0.2, 10% recommendations are false','Malicious,p=0.3, 10% recommendations are false','Malicious,p=0.5, 10% recommendations are false') xlabel('Iteration'); ylabel('RecommendationTrust'); title('Impact of size of recommendation vector');
end %% function file to the program function [ s ] = similar( X,y1 ) %UNTITLED Summary of this function goes here % Detailed explanation goes here com=0; [r1, sy]=size(y1); [r2 ,sx]=size(X); sy=sy-sum(y1(:)==999); sx=sx-sum(X(:)==999); for i=1:sx if (X(i)==y1(i) && X(i)<999) com=com+1; end end if(sx+sy-com>0) s=com/(sx+sy-com); else s=0; end end
function [sx] = Sim(X,y1,y2,y3 ) sx=(similar(X,y1)*similar(X,y2)*similar(X,y3))^(1/3);
end

Answers (0)

Categories

Find more on Optimization Toolbox in Help Center and File Exchange

Products

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!