How do I create this vector: [10,8,10,8,10, ...]?

How can I create a vector that alternates 10 and 8 100 times?

[Randy Souza]

I have restored the original text of this question.

@Malak: this question has a clear subject and an accepted answer, so it may be valuable to someone else in the future. If you have a good reason why it should be removed from MATLAB Answers, please flag the question, explain why it should be deleted, and an administrator or high-reputation contributor will consider deleting the question. Please do not simply edit your question away.

Answer 1

[Iman Ansari]

Hi

a=zeros(1,100);
a(1:2:99)=10;
a(2:2:100)=8;

[Malak]

how can we do it in one command ?

Answer 2

[Andrei Bobrov]

repmat([10 8],1,100)