Write a script to round x DOWN to the next lowest integer:
e.g. x = 2.3 --> x = 2 also: x = 2.7 --> x = 2
Extract leading non-zero digit
Implement a ROT13 cipher
Replicate elements in vectors
Matlab Basics - Convert a row vector to a column vector
Matlab Basics II - Count rows in a matrix
Matlab Basics - y as a function of x
Matlab Basics II - Free Fall
Matlab Basics II - Intervals
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