Comprehensive Risk Evaluation in the Long-Term Operation of Urban Subway Based on Multiple Indices

Algorithm 1

The algorithm of AHP using MATLAB.

	function [δ] = AHP(A)
	for i = 1 : n
	for j = 1 : n
	if A(i, j) ∗ A(j, i)∼ = 1
	fprintf(“i = %d, j = %d, A(i, j) = %d, A(j, i) = %d\n”, i, j, A(i, j), A(j, i))
	end
	………..
	quanzhong = zeros(n, 1);
	for i = 1 : n
	quanzhong(i, 1) = tzx(i, 1)/sum(tzx);
	end
	……..
	CR=CI/RI(1, n);
	if CR ≥ 0.1
	fprintf
	else
	fprintf
	end