Switch assignments for variables x and y, for example
start with x = 1 and y = 3
end with y = 1 and x = 3
Do NOT simply re-assign variables, use a temporary variable 'z'
Back to basics 4 - Search Path
Doubling elements in a vector
Replacing a row
Square a Number
Matlab Basics II - Extract last 3 elements of a vector
Matlab Basics II - Intervals
Matlab Basics - Absolute Value
Matlab Basics II - Free Fall
Replace every 3rd element in a vector with 4
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