%绘制数据的三维散点图
clear;
clc;
load('data.mat','data');
figure;
[line_number,e_n] = size(data);
color = ["red","green","blue","m","yellow"];

for num = 1:line_number
    scatter3(data(num,2),data(num,3),data(num,4),"filled",color(data(num,1) + 1));
    hold on
end