Narcissistic number is a number that is the sum of its own digits each raised to the power of the number of digits.
153 = 1^3 + 5^3 + 3^3
101 ~= 1^3 + 0 ^3 + 1^3
Return the 3n+1 sequence for n
Number of 1s in the Binary Representation of a Number
Close MATLAB with keyboard
Big Integer Sqrt
Return fibonacci sequence do not use loop and condition version 2
Repeat copies of array elements
Generate a vector like 1,2,2,3,3,3,4,4,4,4
Find the maximum two numbers of every column of a matrix
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