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.
Omit columns averages from a matrix
Check if number exists in vector
Colon operator of two vectors
Try 1.5.4: Celsius to Fahrenheit
Polite numbers. N-th polite number.
Get input and output variable names
Test within tolerance
Split up vector or matrix delimited by NaNs
Remove TeX from string
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