Write a script that returns the absolute value of the elements in x
e.g. x = [-1 -2 -3 -4] --> y = [1 2 3 4]
'Write a script'. Actually, they're functions.
Times 2 - START HERE
Right and wrong
Given a 4x4 matrix, swap the two middle columns
Matlab Basics - y as a function of x
Matlab Basics - Assigning Variables
Matlab Basics - Pick out parts of a vector
Matlab Basics II - Create a vector with a repeated entry
Matlab Basics II - Max & Index of Max
Matlab Basics II - Velocity of a particle
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