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 the two-word state names
Read a column of numbers and interpolate missing data
vectorization in N
Relative ratio of "1" in binary number
Area of a triangle
Remove TeX from string
Test within tolerance
Get input and output variable names
Split up vector or matrix delimited by NaNs
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