怎样用matlab从txt文件中读取数据,每次只读取一行?答:编写mymesh()函数:function mymesh()temdat=load('D:\test.txt');if temdat== -1 ('Error opening the file');end figure;h=plot3(temdat(:,1),temdat(:,2),temdat(:,3));set(h,'linestyle','none')hold on;grid on;[x,y]=meshgrid(linspace(-150,150,500),linspace(-150,...