MATLAB: How to create a sequence.

Question

I need to create a vector that holds a sequence. In the sequence the previous number is multiplied by 2. The sequence could stop at a desired number lets say 256 (but it could be a bigger number). How would one go about this?

Example sequnce = 2,4,8,16,32,…,256. vector = [2;4;8;16;32;64;128;256]

vector =

     2
     4
     8
    16
    32
    64
   128
   256

Answer 1

v = 2.^(1:8).'