写一个区间二型模糊综合评价法的matlab模板
时间: 2023-11-02 18:13:01 浏览: 98
好的,以下是区间二型模糊综合评价法的matlab模板:
```
function [result, a, b] = interval_fuzzy_evaluation(data)
% data是输入的模糊矩阵,格式为mxn,其中m为样本数,n为指标数
[m, n] = size(data);
% 求出每个指标的最大值和最小值
max_value = max(data);
min_value = min(data);
% 计算置信度
r = 0.1; % 取一个合适的置信度,这里取0.1
u_ij = zeros(m, n);
for i = 1:m
for j = 1:n
u_ij(i, j) = (max_value(j) - data(i,j))/(max_value(j) - min_value(j));
end
end
% 求出每个指标的区间宽度
width = max_value - min_value;
% 计算隶属度
a = zeros(m, n);
b = zeros(m, n);
for i = 1:m
for j = 1:n
a(i, j) = u_ij(i, j)^(1+r*width(j));
b(i, j) = (1 - u_ij(i, j))^(1+r*width(j));
end
end
% 计算加权平均值
w = ones(1, n); % 取权值,这里取1
result = zeros(m, 1);
for i = 1:m
result(i) = sum(w.*a(i,:))/(sum(w.*a(i,:))+sum(w.*b(i,:)));
end
end
```
其中,data为一个mxn的矩阵,表示m个样本的n个指标数据。函数的输出result为列向量,表示每个样本的综合评价值;a和b分别表示每个样本各指标的隶属度。
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