Matlab上

fr = fopen(\'d:\Matlab\长期纪录2014-3-11.txt\', \'r\');
data=fscanf(fr,\'%f\',[1,inf]);
axis([0 90000 -8 6]);
plot(data)
title([\'厚度仪长期测试数据分析\'], \'FontName\',\'Times New Roman\',\'FontSize\',10);
set(gca,\'XTicklabel\',[0,3,6,9,12,15,18,21,24])
xtick=get(gca,\'xticklabel\');
xtick=[xtick,repmat(\'h\',size(xtick,1),1)];
set(gca,\'xticklabel\',xtick);
ytick=get(gca,\'yticklabel\');
ytick=[ytick,repmat(\'um\',size(ytick,1),1)];
set(gca,\'yticklabel\',ytick);
legend(\'3.11\',1);
grid on
hold on
fr2 = fopen(\'d:\Matlab\长期纪录2014-3-12.txt\', \'r\');
data2=fscanf(fr2,\'%f\',[1,inf]);
plot(data2)
legend(\'3.11\',\'3.12\')