An Armstrong number of three digits is an integer such that the sum of the cubes of its digits is equal to the number itself. For example, 153 is an Armstrong number since 1^3 + 5^3 + 3^3 = 153.
Remove the air bubbles
Change the sign of even index entries of the reversed vector
Equal to their cube
Who invented zero?
kmph to mps
Given area find sides
Given a 4x4 matrix, swap the two middle columns
Basics: 'Find the eigenvalues of given matrix
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