Quintin_csdn的博客

filename = '/home/xx/data.csv';a= dlmread(filename);datas= a(:,[2,5]);[r,c]= size(datas);for i=1:r mat_datas(i,datas(i,1))=datas(i,2);endfigureplot(mat_datas(:,2),'.');title('data_title');xlabel('time');ylabel('data unit');