creating a matrix from two sets of data

Hello

Lets say, I have a row of numbers :x= [1 2 3 4]. I also have a column of numbers: y= [1;2]

I need to creat another matix from x, y comibation. so x is going to be paired with each y.

c =

1 1

2 1

3 1

4 1

1 2

2 2

3 2

4 2

Thank you !

Answer 1

[Rik]

You can use ndgrid to generate every combination.

[X, Y] =ndgrid(x, y);
out=[X(:) Y(:)];

[Erivelton Gualter]

Nicer and simpler version.

[Far mah]

Thanks !

Answer 2

[Erivelton Gualter]

Here is a possible solution:

x = [1 2 3 4];
y = [1;2];

nx = length(x);    

c(1:nx,1) = x;
c(1:nx,2) = y(1);
c(nx+1:2*nx,1) = x';
c(nx+1:2*nx,2) = y(2);

For future questions, read this :

https://www.mathworks.com/matlabcentral/answers/6200-tutorial-how-to-ask-a-question-on-answers-and-get-a-fast-answer

Show an attempt code as well.

[Far mah]

Thanks!

Answer 3

[Yasasvi Harish Kumar]

Hi,

This should help

for y = 1:2
    for x = 1:4
        c(4*(y-1)+x,1) = x
        c(4*(y-1)+x,2) = y
    end
end

[Far mah]

Thanks!