Write a script to round a variable x to 3 decimal places:
e.g. x = 2.3456 --> y = 2.346
Select every other element of a vector
Swap the first and last columns
Get the length of a given vector
Sum the 'edge' values of a matrix
Replace every 3rd element in a vector with 4
Matlab Basics II - Create a vector with a repeated entry
Matlab Basics II - squares
Matlab Basics - Logical Tests I
Matlab Basics II - Minimum
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