Drawing a 3-D graph, endpoint issues

Hello everyone,

I asked a question similar to this under the subject of linspace but I am re-posting it because this time I wanted to attach the photos. So that you can see clearly what my issue is.

The black/white graph(3dd.jpg) is what I am trying to draw and the graph in color(3d.jpg) is what I have drawn. I am not sure what I must modify to be able to successfully draw the black/white graph(3dd.jpg). I tried modifying the linspace values but I still couldn't achieve my goal.

Following is my code,

x=linspace(-2,2); 
y=linspace(-2,2); 
[X,Y] = meshgrid(x,y); 
Z=(X.^2+3*Y.^2)*exp(-X.^2-Y.^2); 
meshz(X,Y,Z)

Thank you very much.

Answer 1

[Star Strider]

Please clarify what you want.

This code:

x=linspace(-2,2); 
y=linspace(-2,2); 
[X,Y] = meshgrid(x,y); 
Z=(X.^2+3*Y.^2).*exp(-X.^2-Y.^2); 
meshz(X,Y,Z)

produces this plot:

[verzhen Ligai]

Oh wow, how come when I ran it, I got a different result? my result was as shown in the picture.

[verzhen Ligai]

[verzhen Ligai]

Nope! I realized what I did wrong! Thank you so much!!!!!

[Star Strider]

My pleasure!