Question

怎么编写绘制 z=x^2+y^2图形的Matlab程序。

有急用啊，谢谢了

Answer 1

x=0:0.1:100;
y=0:0.1:100;
z=x^2+y^2;
plot3(x,y,z)

Answer 2

[x,y]=meshgrid(-1:.1:1,-1:.1:1);
>>
z=sqrt(x.^2+y.^2);
>>
surf(x,y,z)