creating table of finely spaced xy points that represent a box corner

I'd like operate on an XY table of values that represents one quadrant of a box, but rather than just defining the vertical and horizontal extremes I need a certain resolution of points along the lines of this box because after my math operations it will no longer look like a box. An example is below, but in reality I'll probably have more than 100 points so I can't manually type each one in.

I was thinking of something like this to draw the upper horizontal line:

%upper line
xmax = 5
ymax = 5
ux = [0:1:xmax]
uy = [ymax]
table (ux,uy)

But it doesn't create an equal number of Y values as X. Once I solve that problem my plan was to do the same for the veritical line, and then combine them.

Or is there an easier way where I can define a 2xN array?

An example of the ultimate table is below (but again, I need it to be adjustable and have far finer resolution):

x y

0 5

1 5

2 5

3 5

4 5

5 5

5 5

5 4

5 3

5 2

5 1

5 0

Answer 1

[Duncan Po]

meshgrid may be the function you are looking for. For example,

>> [x,y] = meshgrid(1:5,1:5)

x =

1 2 3 4 5

1 2 3 4 5

1 2 3 4 5

1 2 3 4 5

1 2 3 4 5

y =

1 1 1 1 1

2 2 2 2 2

3 3 3 3 3

4 4 4 4 4

5 5 5 5 5

The horizontal line will then just be the last row.

>> t = table(x(end,:)',y(end,:)', 'VariableNames', {'x','y'})

t =

5×2 table

x y

_ _

1 5

2 5

3 5

4 5

5 5

[Jon Conger]

Thanks! This will work really well. I noticed it only works on integers but I can oversize it and then divide by 10, 100, 1000, etc to get the real resolution that I need.

[Duncan Po]

It can work for any real number if you give it a non-integer increment:

>> [x,y] = meshgrid(1:0.1:5,1:0.1:5); % 0.1 increment

>> t = table(x(end,:)',y(end,:)', 'VariableNames', {'x','y'});

>> head(t)

ans =

8×2 table

x y

___ _

1 5

1.1 5

1.2 5

1.3 5

1.4 5

1.5 5

1.6 5

1.7 5

[Jon Conger]

Ah, got it. Thanks again!