05-15.txt

MATLABR2006a基础教程

>> x=-2:0.2:2;

>> y=x.^2;

>> plot(x,y)

>> str1 = num2str(min(x));

>> str2 = num2str(max(x));

>> out = ['Value of f from ' str1 ' to ' str2];

>> xlabel(out);