Re: Get numbers out of PhysicalConstants?
- To: mathgroup at smc.vnet.net
- Subject: [mg62615] Re: [mg62572] Get numbers out of PhysicalConstants?
- From: <bsyehuda at gmail.com>
- Date: Tue, 29 Nov 2005 04:46:22 -0500 (EST)
- References: <200511280638.BAA19174@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Replace the units with 1 that is
VacuumPermeability /. Thread[Rule[{Ampere, Volt, Meter, Second}, 1]] or
VacuumPermeability /. {Ampere->1,Volt->1,Meter->1,Second->1}
yehuda
On 11/28/05, Wonseok Shin <wssaca at gmail.com> wrote:
>
> Hello,
>
> Is there any way to get numbers out of the constants defined in
> Miscellaneous`PhysicalConstants` package? Carrying units all the time
> is inconvenient in calculation.
>
> For example,
> In[1]:= << Miscellaneous`PhysicalConstants`
> In[2]:= VacuumPermeability
> Out[2]= \!\(\(p\ Second\ Volt\)\/\(2500000\ Ampere\ Meter\)\)
>
> I want to get the number p/2500000 out of VacuumPermeability, without
> units. How can I do this?
>
>
- References:
- Get numbers out of PhysicalConstants?
- From: "Wonseok Shin" <wssaca@gmail.com>
- Get numbers out of PhysicalConstants?