given locations of a set of unit masses on complex plane, find polar moment of inerta about the origin. for example output 4 if input [0 1 1+1i 0-1i]
you should ease up numerically on equality, so my solution works :)
Find perfect placement of non-rotating dominoes (easier)
middleAsColumn: Return all but first and last element as a column vector
Calculate the derivative of a polynomial
Acid and water
speed vs size
Tell me the slope
Filter AC, pass DC
Check if any duplicates in your data
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