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.
Extract leading non-zero digit
Try 1.5.4: Celsius to Fahrenheit
Is the input divisible by 3?
Maximum value in a matrix
Matlab Basics - Set unwanted parts of a vector to zero
Matlab Basics II - Log and natural log
Matlab Basics - y as a function of x
Matlab Basics - Create a row vector
Matlab Basics - Convert a row vector to a column vector
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