Performance optimization (allocation inside a for loop)

[Francesco Potorti`]

>> In Octave 3.2, some operations on ranges will preserve the range data
>> type.  In earlier versions, nearly all operations converted range
>> objects to matrix objects first.
>
>adding/subtracting/multiplying by a scalar, to be precise. and unary
>minus. This is useful for indexing. Is anyone interested in adding /
>subtracting two ranges?

I think not.  It would only make sense with ranges having the same
number of elements, and as far as I can tell, it is easy to just create
the range you need rather than summing up two of them.  Or I just do not
have enough imagination :)

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