MATLAB: How to plot a rectangle in 3d space

I have the following example data:

x = [2;4;6;8;10]
y = [10;20;30;40;50]
z = [5;5;5;5;5]

I am trying to plot a the 2d x/y surface in 3d space but since z is constant I can't seem to figure out how to do it. All examples I've tried to follow don't work since the points are colinear.

Thanks

In MATLAB there are different was to generate a '3D rectangle' also known as parallelepiped, Wolfram definition.

1.- Defining all solid points

xrange=[0:1:10];
yrange=[0:1:20];
zrange=[0:1:5];
[x,y,z]=meshgrid(xrange,yrange,zrange);
x=x(:);y=y(:);z=z(:);
P=[x y z];

figure(1);
plot3(P(:,1),P(:,2),P(:,3),'.');
axis equal
grid on

shp1=alphaShape(P(:,1),P(:,2),P(:,3))

figure(2);
plot(shp1)
axis equal

once an alphaShape is built the following volume and surfaceArea commands can be used :

round(volume(shp1))

same as

(xrange(end)-xrange(1))*(yrange(end)-yrange(1))*(zrange(end)-zrange(1))

surfaceArea(shp1)

same as

2*xrange(end)*yrange(end)+2*xrange(end)*zrange(end)+2*yrange(end)*zrange(end)

2.- Just using vertices

xrange2=[0 10];
yrange2=[0 20];
zrange2=[0 5];
[x2,y2,z2]=meshgrid(xrange2,yrange2,zrange2);
x2=[x2(:);5];
y2=[y2(:);10];
z2=[z2(:);2.5];
P2=[x2 y2 z2];
Tes=delaunayn(P2);

figure(3)
tetramesh(Tes,P2);
camorbit(40,0);

3.- With command patch

v1=[0 0 0;10 0 0;10 20 0;0 20 0
       0 0 5;10 0 5;10 20 5;0 20 5];
f1=[1 2 3 4 1;5 6 7 8 5];

v2=[0 0 0;0 20 0;0 20 5;0 0 5
      10 0 0;10 20 0;10 20 5;10 0 5];
f2=[1 2 3 4 1;5 6 7 8 5];

v3=[0 0 0;10 0 0;10 0 5;0 0 5
      0 20 0;10 20 0;10 20 5;0 20 5];
f3=[1 2 3 4 1;5 6 7 8 5];

figure(4);
hp1=patch('Faces',f1,'Vertices',v1)
hp1.FaceColor=[0 .5 0];
hp1.FaceAlpha=.5;
hp1.EdgeColor='none';

hp2=patch('Faces',f2,'Vertices',v2)
hp2.FaceColor=[.5 0 0];
hp2.FaceAlpha=.5;
hp2.EdgeColor='none';

hp3=patch('Faces',f3,'Vertices',v3)
hp3.FaceColor=[0 0 .5];
hp3.FaceAlpha=.5;
hp3.EdgeColor='none';

grid on
xlabel('x');ylabel('y');zlabel('z');

campos([477 -1122 120])

4.- Extruding a 2D rectangle

Command extrude requires as import a geometry file.

In MATLAB geometry files have these equivalent extensions : .stl .step and .ste
.stl and can be generated with CAD applications like SolidWorks.

Here, given how simple is the case, there's no need for SolidWorks, one can directly generate the required .stl file directly.

Following, I generate a triangulation mesh and save it to .stl to then use command importGeometry to build a 2D rectangle that has the right type to be used as input to command extrude.

P=[0 0;10 0;10 20;0 20];  % points
T=[1 2 4;2 3 4];               % triangles definition

TR=triangulation(T,P)

figure(5)
triplot(TR)
axis equal
grid on
xlabel('x');ylabel('y');

stlwrite(TR,'base1.stl','text')

this is the contents of base1.stl :

solid MATLAB_1
facet normal 0 0 1
  outer loop
   vertex 0 0 0
   vertex 10 0 0
   vertex 0 20 0
  endloop
 endfacet
facet normal 0 -0 1
  outer loop
   vertex 10 0 0
   vertex 10 20 0
   vertex 0 20 0
  endloop
 endfacet
endsolid MATLAB_1

now for the extrusion :

model = createpde;
b1 = importGeometry(model,'base1.stl');

figure(6)
pdegplot(b1,'FaceLabels','on')

extrude(b1,5)

pdegplot(b1,'FaceLabels','on','FaceAlpha',0.5)

grid on
xlabel('x');ylabel('y');zlabel('z');