How to delete repeating value in a row ?

code: from a = [1 2 2 4 4 2 2 1 1 4 4 ]

become b = [1 2 4 2 1 4]

Answer 1

[Bruno Luong]

a = [1 2 2 4 4 2 2 1 1 4 4 ]

a = 1×11

1 2 2 4 4 2 2 1 1 4 4

b = a([true diff(a)~=0])

b = 1×6

1 2 4 2 1 4

[omran alshalabi]

Thank you very much mr. Bruno Luong for your fast response.

It is function very good.