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On 27 March 2011 10:53, liam mail <> wrote:
> On 27 March 2011 15:33, Eduardo Ochs <> wrote:
>> norm = function (V) return math.sqrt(V[1]^2 + V[2]^2) end,
> Off topic: I though this was just an email typo yet the same is present in
> the link you provide. I am confused why a mathematician would use such a
> name for calculating the magnitude of a vector.

The norm is (roughly speaking) a generalization of the magnitude.

This case in particular really is the magnitude though.