Matrix Fill with same number sequence

How can I fill a matrix with the same sequence of numbers?

I want a matrix in which the first row contains 20 and 30. this should then also be in the next five rows.

Answer 1

[Walter Roberson]

YourMatrix(1:6,1:2:end) = 20;
YourMatrix(1:6,2:2:end) = 30;

[TheDice]

Thank you an how could i fill a matrix that it looks like this?

20 20 20 20 20 
30 30 30 30 30 

[Walter Roberson]

YourMatrix(1,1:5) = 20;
YourMatrix(2,:) = 30;

Answer 2

[Atsushi Ueno]

repelem(20:30,6,1)