How to automatically split a matrix into multi-Vectors of n variables for combination?

Hi, I use the Matlab built-in function "combvec" to Create all combinations of vectors.But the number of input variables is uncertain. For example：supporse my T is [{[1,2,3]},{[4,5]},{6}],a cell array，has three vectors,which each element inside is a vector;

T = [{[1,2,3]},{[4,5]},{6}];
y = cellfun(@getEle,T,'UniformOutput',false);
x1 = combvec(y)
x2 = combvec(T{1},T{2},T{3})

Result:

y =
     1
     2
     3
y =
     4
     5
y =
     6
x1 =
  1×3 cell 数组
    {3×1 double}    {2×1 double}    {[6]}
x2 =
     1     2     3     1     2     3
     4     4     4     5     5     5
     6     6     6     6     6     6

the getEle function is:

function y = getEle(x)
y = x(:)

I want to get n variables ,so i design "getEle" and cellfun functions,but x1 is not my want result.

X2 is the result I want.But the cell array T is usually not fixed in size(n vectors,n is not fixed), and each element stores a vector of different size. Now the question is how to pass each vector of T into the combvec function?

[Walter Roberson]

What is getEle ?

[cui,xingxing]

oh, getEle is here:

function y = getEle(x)
y = x(:)

Answer 1

[Stephen23]

This is easy with a comma-separated list:

T = {[1,2,3],[4,5],6};
combvec(T{:})

https://www.mathworks.com/help/matlab/matlab_prog/comma-separated-lists.html

https://www.mathworks.com/matlabcentral/answers/1656435-tutorial-comma-separated-lists-and-how-to-use-them

[cui,xingxing]

thank you very much!