generating random numbers only 2 numbers

i want to generating random numbers on matrix 1x30

how i get generating 2 random numbers (only 1 and 4 , not between) ???

Answer 1

[Chunru]

a = randi([0 1], [1 30])*3 + 1

a = 1×30

1 1 4 4 4 4 4 1 1 4 1 4 4 4 1 4 4 4 1 1 1 4 1 4 4 1 4 4 4 4

[Takim Mustakim]

ohhhh thank you bro/sist

[Chunru]

Consider to accept the answer.