how to remove duplicate edges like A-B, B-A are showing same.

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TR RAO
TR RAO 2018-2-13
回答： KSSV 2018-2-13
fileID = fopen('C:\Users\TR RAO\Desktop\rao.txt','r');
C = textscan(fileID, '%s %s');
fclose(fileID);
d1=cellstr(C{1,1});d2=cellstr(C{1,2});
G=graph(d1,d2);
A=adjacency(G)
The above program is not allowing duplicates. Kindly suggest me solution
Input:
1 2
1 3
1 4
2 1
4 1
2 3

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回答（1 个）

KSSV
KSSV 2018-2-13
A = [1 2
1 3
1 4
2 1
4 1
2 3] ;
% Get distance of th epoints from origin
data = repmat([0 0],[length(A),1])-A ;
dist = sqrt(data(:,1).^2+data(:,2).^2);
[c,ia,ib] = unique(dist) ;
iwant = A(ia,:)

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