Determine for a magic square of order n, the magic sum m. For example m=15 for a magic square of order 3.
Most nonzero elements in row
Encode Roman Numerals
middleAsColumn: Return all but first and last element as a column vector
Compute a dot product of two vectors x and y
Replacing a row
Negation and new variables
Two functions (to be sure)
Find Missing Number
Find files with extension ext in the current directory
Add more zeros
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