If n is the given number, then make a diagonal matrix of size 2*2 with the square of that number.
Swap the first and last columns
Sort a list of complex numbers based on far they are from the origin.
Return 'on' or 'off'
Sum of odd numbers in a matrix
Matlab Basics - Set unwanted parts of a vector to zero
Find the area of a rectangle if length of the diagonal is given.
find the relation...
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