Re: Symbolize
- To: mathgroup at smc.vnet.net
- Subject: [mg31747] Re: Symbolize
- From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
- Date: Sat, 1 Dec 2001 02:43:34 -0500 (EST)
- Organization: Universitaet Leipzig
- References: <9u4gs8$lpd$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Hi, only for your last question, I is a *number* Complex[0,1] and Collect[] work only for symbols/patterns but x + I y + I a + b //. a_*I + b_*I :> (a + b)*I work as expected. Regards Jens Blimbaum Jerry DLPC wrote: > > For some reason the Symbolize command in the Notations Package > duzznt work....I have version 4.1 Mathematica with Windows 2000...has anyone > else experienced this problem? I have removed Mathematica many times over > and reloaded it but still get the same problem...so for example, if i want > to symbolize subscripted variables and then ask for their Head I still get > the output Subscript rather then symbol...is there anything that I can do > to track this problem down? I also have Matlab on my machine and wonder > whether there's some kind of conflict in reading .m files... > Another question: why duzz the following not work , i.e. give me > x + b + (a + y) I rather then just returning the original > expression....I realize that it can be dunn using ComplexExpand and that's > what i ended up using but i was surprised that Collect didnt work... > > Collect[x + I y + I a + b, I] where I is the imaginary symbol.... > > thanks Jerry Blimbaum NSWC Panama City, Fl