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Re: Symbolize

• To: mathgroup at smc.vnet.net
• Subject: [mg31761] Re: [mg31731] Symbolize
• From: Daniel Lichtblau <danl at wolfram.com>
• Date: Sat, 1 Dec 2001 02:44:31 -0500 (EST)
• References: <200111290513.AAA22218@smc.vnet.net>
• Sender: owner-wri-mathgroup at wolfram.com

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

The Collect issue was covered in the note located at

http://library.wolfram.com/mathgroup/archive/1998/May/msg00213.html

Daniel Lichtblau
Wolfram Research

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