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.
Distance walked 2D
Distance walked 3D
Determine if a Given Number is a Triangle Number
Make a run-length companion vector
06 - Matrix Equations 1
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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