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.
Sort a list of complex numbers based on far they are from the origin.
Distance walked 3D
Are all the three given point in the same line?
Split up vector or matrix delimited by NaNs
Remove TeX from string
Test within tolerance
Get input and output variable names
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