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.
Return a list sorted by number of occurrences
Find the sum of the elements in the "second" diagonal
Whether the input is vector?
Create matrix of replicated elements
Who has power to do everything in this world?
Matlab Basics II - Minimum
Matlab Basics - Set unwanted parts of a vector to zero
Matlab Basics II - Find the roots of a function
Matlab Basics - y as a function of x
Replace every 3rd element in a vector with 4
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