Could anybody please help me to execute the code

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clear all
close all
clc
nt_v = [1 2 3 2 4];
nr_v = [1 2 2 3 4];
N0 = 1e-4;
B = 1;
Iteration = 1e4;
SNR_V_db = [-10:3:20];
SNR_V = 10.^(SNR_V_db/10);
color = ['b';'r';'g';'k';'c'];
notation = ['-o';'->';'<-';'-^';'-s'];
for(k = 1 : 5)
    nt = nt_v(k);
    nr = nr_v(k);
    for(i = 1 : length(SNR_V))
        pt = N0 * SNR_V(i);
        for(j = 1 : Iteration)
            H = random('rayleigh',1,nr,nt);
            [S V D] = svd(H);
            landas(:,j) = diag(V);
            [capacity(i,j) powerallo] = waterfilling_alg (pt,landas(:,j),B,N0)
        end
    end
    f1 = figure(1);
    hold on
    plot(SNR_V_db,mean(capacity'),notation(k,:),'color',color(k,:))
    f2 = figure(2);
    hold on 
    [y,x] = hist(reshape(landas,[1,min(nt,nr)*iteration]),100);
    plot(x,y/iteration,'color',color(k,:));
    clear landas
end

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Image Analyst 2017-11-21

Please read this link and fix your formatting.

Image Analyst 2017-11-21

No, we can't run it either because we do not have the variable or function called "waterfilling_alg". What is the reason why YOU can't run it? Same reason???

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