Return true if the input is a Smith number in base ten. Otherwise, return false. Read about Smith numbers at http://en.wikipedia.org/wiki/Smith_number.
A Smith number must be positive and have more than one factor.
Determine if input is odd
Determine Whether an array is empty
Largest Twin Primes
kmph to mps
Split up vector or matrix delimited by NaNs
Remove TeX from string
Get input and output variable names
Test within tolerance
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