How do you create a new vector using every other number from your original vector. Including the first number of the original vector.

How do you create a new vector using every other number from your original vector. Including the first number of the original vector.

Answer 1

[per isakson]

An example

>> vec = randi(3,1,18) % test data
vec =
  Columns 1 through 14
     3     3     1     3     2     1     1     2     3     3     1     3     3     2
  Columns 15 through 18
     3     1     2     3
>> vec( 1 : 2 : end ) % every other value
ans =
     3     1     2     1     3     1     3     3     2

a better example

>> vec = 1:18;
>> vec( 1 : 2 : end )
ans =
     1     3     5     7     9    11    13    15    17