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.
Find common elements in matrix rows
Replace Vector Elements
Flag largest magnitude swings as they occur
Duplicate each element of a vector.
Area of a Square
Remove TeX from string
Test within tolerance
Split up vector or matrix delimited by NaNs
Get input and output variable names
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