Re: [Emacs-diffs] master 2667d5c: Add new functions for the root mean square of a (Calc) vector

[Eli Zaretskii]

> From: Stefan Monnier <address@hidden>
> Date: Wed, 16 Sep 2015 09:21:40 -0400
> Cc: Jay Belanger <address@hidden>
> 
> -*- mode: nit-pick -*-
> 
> > +Another commonly used mean, the RMS (root-mean-square), can be computed
> > +for a vector of numbers by using the @kbd{u R}
> 
> I must admit that I don't use Calc very often, and read its manual even
> less often, so clearly I'm taking this out of context, but in any case:
> 
> To me a "vector" has a rather specific meaning, and taking the root mean
> square of a vector doesn't make much sense.  Instead, I like to take the
> rms of a *set* of numbers (which may be provided by packaging them in
> a vector, of course).

As long as we are nit-picking, the result of root-mean-square
generally depends on the order of the values (due to finite precision
of FP calculations).  So it's not really an unordered set.