Re: Use of units and simplification: Thanks
- To: mathgroup at smc.vnet.net
- Subject: [mg38935] Re: Use of units and simplification: Thanks
- From: "Yves K." <yk at despammed.com>
- Date: Tue, 21 Jan 2003 07:38:12 -0500 (EST)
- Organization: Comp.Center (RUS), U of Stuttgart, FRG
- References: <b0apj9$dkv$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
First of all, thanks to David and Bill! David Park schrieb: > Yves, > > One can usually obtain faster responses by providing a proper email address. > There are some cases where responders might wish to respond privately or ask > for more information and it is very slow doing this day by day through the > newsgroup. I agree. My yk at despammed.com is totally functional, though. Really nice spam filtering service there (Until they haven´t stopped this weekend, I´ll check this... no, works just fine). > In using units, I think that it is often best to never put the units in the > equations. Put the units in the data. Then you can manipulate and solve your > equations symbolically without units ever showing, and substitute the data > WITH the units at the end. Here is a very simple example. What height will a > stone reach in 20 seconds if dropped from 2 miles. Again, agreed:-) I tried to do so anyway, but got annoyed by unsimplified units in the results. Again, thanks! I will check out your packages... Best regards, Yves