Generate permutations of numbers

I am using this perms([0 1]) to generate permutations and its giving me the following result

1 0

0 1

I want it to generate the all possible combinations e.g

1 1

1 0

0 1

0 0

i also used nchoosek([0 1],2) but i got

0 1

I want to generate similar type of combinations for 5 variables (1,2,3,4,5) where the range include 4 numbers.e.g

1 1 1 1 1

1 1 1 1 2

1 1 1 1 3 ...... It would be total of 4^5 = 1024 unique combinations. Thanks

Answer 1

[Matt Fig]

You can use my npermutek.

npermutek([0 1],2)

ans =

       0     0
       0     1
       1     0
       1     1

Also, for the general problem see combinator.

[Afz]

Thankyou