单曲线：
open('figname.fig');
h_line=get(gca,'Children');%get line handles
xdata=get(h_line,'Xdata');
ydata=get(h_line,'Ydata');
参考地址：
matlab 读取fig数据
转载于:https://www.cnblogs.com/Wanggcong/p/7127124.html
单曲线：
open('figname.fig');
h_line=get(gca,'Children');%get line handles
xdata=get(h_line,'Xdata');
ydata=get(h_line,'Ydata');
参考地址：
转载于:https://www.cnblogs.com/Wanggcong/p/7127124.html