creating variable of specified length and same values

Hi,

How could I create a 4x1 variable of the value 1.2?

For example

1.2
1.2
1.2
1.2

Answer 1

[Aous Younis]

a=1.2*(ones(4,1))

Answer 2

[Azzi Abdelmalek]

a=1.2;
a=a(ones(1,4))

%or

a=repmat(1.2,1,4)

Answer 3

[ES]

a(1:4,1)=1.2