It seems easy, but...
You cannot use +, -, plus, diff, cumsum, *, prod, times, etc.
conv([x y],[1 1],'valid') will not work as it contains STRINGS !!
Very witty solution.
give nth decimal place of pi
Find the sum of the elements in the "second" diagonal
Implement simple rotation cypher
The sum of the numbers in the vector
Create an n-by-n null matrix and fill with ones certain positions
RGB to CMYK
Wien's displacement law
Compound interest - number e
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