Given an array, return the cumulative difference.
a = [ 1 3 5 7 ]
cumdiff = [ 1 2 1 -2 ]
Omit columns averages from a matrix
Reverse the vector
Replace May with April
Given area find sides
02 - Vector Variables 3
Back to basics - array operations
Back to basics - mean of corner elements of a matrix
Let's get back to school: create mixed numbered fraction
Who is the baby and who is the daddy in this family?
Return the names and values of the input arguments of a function
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