地址:http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemCode=3962 题目: A seven segment display, or seven segment indicator, is a form of electronic display device for displaying decimal numerals that is an alternative to the more complex dot matrix
input_data = rand(1000,3);%随机生成1000个样本,每个样本有x,y,z三个属性 figure(1); %控制画图的窗口为1 hold off; %使当前轴和图形不再具备被刷新的性质,关闭在此基础上再画图 plot3(input_data(:,1), input_data(:,2), input_data(:,3), 'ro'); %% Function PCA, input_data, out_dim % Use this to switch methods use_