MATLAB 3D

clc;

clear all;

 t = 0:pi/10:2*pi;

[X,Y,Z] = cylinder(4*cos(t));

subplot(3,3,1);

mesh(X);

title('X');

subplot(3,3,2);

mesh(Y);

title('Y');

subplot(3,3,,3);

mesh(Z);

title('Z');

subplot(3,3,4);

mesh(X,Y,Z);

title('X,Y,Z');

[X,Y] = meshgrid(-8:.5:8); 

R = sqrt(X.^2 + Y.^2) + eps;

Z = sin(R)./R;

subplot(3,3,5);

mesh(X,Y,Z);

title ('sin(R)./R');

x=-2:0.1:2;

y=-3:0.1:3;

[X,Y]=meshgrid(x,y);

Z=X.^2-Y.^2;

subplot(3,3,6);

mesh(X,Y,Z);

xlabel('X');

ylabel('Y');

zlabel('Z');

theta=pi/3;

r=linspace(0,1,30);

phi=linspace(0,2*pi,30);

[r,phi]=meshgrid(r,phi);

x=r.*cos(phi)*sin(theta);

y=r.*sin(phi)*sin(theta);

z=r*cos(theta);

subplot(3,3,7);

mesh(x,y,z)

xlabel('x');

ylabel('y');

zlabel('z');

title('Superficie cónica')

[x,y] = meshgrid(-7:0.25:7);

r = sqrt(x.^2 + y.^2) + eps;

z = sin(r)./r;

subplot(3,3,8);

surf(x,y,z)

colormap hsv

colorbar

xlabel('x');

ylabel('y');

zlabel('z');

x= [-2:0.2:2] ;

y= [-2:0.2:2] ;

[X,Y]=meshgrid(x,y) ;

Z= X.*exp(-X.^2 - Y.^2);

subplot(3,3,9);

mesh(X,Y,Z), figure(gcf);

xlabel ('eje-X');

ylabel ('eje-Y');

zlabel('eje-Z');