untitled3.m

视角调整,与大家共享.希望对大家有所帮助,也希望自己能多学习.

x=-5:0.2:5;
a=1:5;
[xx,aa]=meshgrid(x.^2,a.^2);
plot(x,aa-xx,'k',0,0,'r*')
xlabel('x')
ylabel('curve')
title('my picture')
text(1,1,'center')