r=linspace(0,15,100)';
a=linspace(-pi,pi,100);
x=r*sin(a);
y=r*cos(a);
z=393+(x^2+y^2)*107/225;
surf(x,y,z, 'linestyle','none')

2Â¥: Originally posted by somomo91 at 2017-04-28 17:39:58
r=linspace(0,15,100)';
a=linspace(-pi,pi,100);
x=r*sin(a);
y=r*cos(a);
z=393+(x^2+y^2)*107/225;
surf(x,y,z, 'linestyle','none')

2Â¥: Originally posted by somomo91 at 2017-04-28 17:39:58
r=linspace(0,15,100)';
a=linspace(-pi,pi,100);
x=r*sin(a);
y=r*cos(a);
z=393+(x^2+y^2)*107/225;
surf(x,y,z, 'linestyle','none')

2Â¥: Originally posted by somomo91 at 2017-04-28 17:39:58
r=linspace(0,15,100)';
a=linspace(-pi,pi,100);
x=r*sin(a);
y=r*cos(a);
z=393+(x^2+y^2)*107/225;
surf(x,y,z, 'linestyle','none')

5Â¥: Originally posted by YW94 at 2017-04-28 18:23:21
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r=linspace(0,15,100);
a=linspace(-pi,pi,100);
[r, a]=meshgrid(r,a);
x=r.*sin(a);
y=r.*cos(a);
z=393+(x.^2+y.^2)*107/225;
figure(1)
surf(x,y,z),colorbar
figure(2)
surfc(x,y,z),colorbar

[min(min(z)) max(max(z))]