Draw 3D object.write code in 2016a version. Help me,thanks!

z=1-x^2 ,z=0,y=0,y=3

Answer 1

[KSSV]

x = linspace(0,3) ;
y = linspace(0,3) ;

[X,Y] = meshgrid(x,y) ;
Z = 1-X.^2 ;
surf(X,Y,Z)
shading interp 

Answer 2

[Carlos Guerrero García]

Is the same question that

https://es.mathworks.com/matlabcentral/answers/430986-draw-3d-object-code-this-in-2016a-version-help?s_tid=answers_rc1-1_p1_Topic

???