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 9 - Indexed References
Back to basics 14 - Keywords
Change the sign of even index entries of the reversed vector
Check that number is whole number
Produce a sine wave
Matlab Basics - Rounding I
Matlab Basics II - Unit Conversion
Matlab Basics - Create a row vector
Matlab Basics II - Minimum
Matlab Basics - Absolute Value
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