Given an input variable x, output a variable y that is equal in value to x.
Input x = 1
Output y is 1
Input x = 5
Output y is 5
Not as simple as it seems.
Change the sign of even index entries of the reversed vector
02 - Vector Variables 1
construct matrix with identical rows
Determine the length of a string of characters
Matlab Basics - Set unwanted parts of a vector to zero
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