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.
Knight's Tour Checker
Return unique values without sorting
Television Screen Dimensions
Area of an equilateral triangle
Remove TeX from string
Split up vector or matrix delimited by NaNs
Test within tolerance
Get input and output variable names
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