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[jsr363-experts] Re: Request for clarification on Unit commensurability
- From: Martin Desruisseaux <
>
- To:
- Subject: [jsr363-experts] Re: Request for clarification on Unit commensurability
- Date: Tue, 16 Dec 2014 21:51:56 +0900
- Organization: Geomatys
Le 16/12/14 21:39, Werner Keil a écrit :
>
We don't make money from this, but I don't think the company that does
>
(http://www.dagego.de/) got this totally wrong.
I do not said that they are wrong. I said that I'm pretty sure that the
Boltzmann constant (or something equivalent) is hidden somewhere in
their equations. They may have managed to rewrite their equations in
such a way that the numerical value of their constant become 1, and
consequently omitted it. This may be bright. But a numerical value of 1
does not mean a dimensionless quantity: we can have 1 second, 1 metre, 1
kWh, etc. So the fact that we can omit a multiplication in the
computation of a _/numerical/_ value does not mean that we can omit that
multiplication in the computation of the _/unit/_ of that value.
Martin