Find the sum of all the numbers of the input vector
Return the first and last characters of a character array
Sum the Digits of a Number
Determine the number of odd integers in a vector
Chebyshev polynomials of the 1st Kind
Set the Euler-Mascheroni constant with an identity using available MATLAB functions
Characterize the final state of the digit inventory sequence
Solve a ballot counting problem
Count alternating permutations
Construct the Seidel-Entringer-Arnold triangle
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