matrix_contending_links.m
de096106547amaster

matrix_contending_links.m
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			function [ contLinks_mat ] = matrix_contending_links( links_vec, capMat, interfaces_ind )

			contLinks_mat = zeros(length(links_vec));

			for i=1:length(links_vec)
			contLinks_mat(i,i) = 1;
			ind1 = links_vec(i);
			[s_i,t_i] = ind2sub(size(capMat), ind1);
			interface = interface_index(t_i, interfaces_ind);
			[s_node, ~] = ind2sub(size(interfaces_ind), find(interfaces_ind == s_i));
			s_i = interfaces_ind(s_node, interface);
			cont_links = contendingLinksFun(s_i,t_i,capMat > 0);
			for j=(i+1):length(links_vec)
			ind2 = links_vec(j);
			[s_j,r_j] = ind2sub(size(capMat), ind2);
			ind_s1 = find(cont_links(1,:) == s_j);
			ind_r1 = find(cont_links(2,:) == r_j);
			ind_s2 = find(cont_links(2,:) == s_j);
			ind_r2 = find(cont_links(1,:) == r_j);
			if ~isempty(intersect(ind_s1, ind_r1)) \|\| ~isempty(intersect(ind_s2, ind_r2))
			% [s_j;t_j] in cont_links: means that link i and j are contending
			contLinks_mat(i,j) = 1;
			contLinks_mat(j,i) = 1;
			end
			end
			end

			end