% 鍙傛暟鍒濆鍖?
inputfile = '../data/OUTPUT2(1).xlsx';
[data,~] = xlsread(inputfile);
%% 鏁版嵁璇诲彇
[num,~] = data;
%鍘熷鏁版嵁
cities = ...
{'A','B','C','D','E','F','G','H','J','K'};
[Y,eigvals] = cmdscale(data);
%缁樺浘
x=Y(1:271,1);
y=Y(1:271,2);
z=Y(1:271,3);
scatter3(data(1:271,1),data(1:271,2),data(1:271,3),20,'d')
hold on;
scatter3(data(272:448,1),data(272:448,2),data(272:448,3),20,'p')
hold on;
scatter3(data(449:517,1),data(449:517,2),data(449:517,3),20,'^')
在2016a版本上不能运行,在2020a版本上能运行,求大佬解答