PDS/homework_1/matlab/run_test.m

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%C = rand(10000, 2);  % Corpus
%Q = rand(10000, 2);   % Queries
C = rand(20000, 2);  % Δύο clusters
Q = C;
%Q = rand(10000, 2);  % Queries κοντά στο μέσο
k = 100;             % Number of neighbors
m = 100;             % Max candidates per query
global count;

count =0;
tic; [pi, pd] = recursiveKNN(C, Q, k, m); toc
count
tic; [si, sd] = knnsearch(C, Q, 'k', k); toc

[a,b] = size(si);
all_neighbors = a*b
accuracy = 1 - nnz(si-pi)/all_neighbors
false_neighbors = nnz(sd-pd)