Re: Undocumented Features In 4.0

*To*: mathgroup at smc.vnet.net*Subject*: [mg24953] Re: [mg24938] Undocumented Features In 4.0*From*: "Matt Herman" <Henayni at hotmail.com>*Date*: Fri, 25 Aug 2000 00:02:26 -0400 (EDT)*References*: <200008240908.FAA10582@smc.vnet.net>*Sender*: owner-wri-mathgroup at wolfram.com

Hi, Infimum (used in the analysis sense) is just the maximum of lower bounds for a function (or a set). Perhaps this is an exact value for findminimum? Matt ----- Original Message ----- From: "Ersek, Ted R" <ErsekTR at navair.navy.mil> To: mathgroup at smc.vnet.net Subject: [mg24953] [mg24938] Undocumented Features In 4.0 > I was poking around the Wolfram Research FAQ web pages and went to > http://support.wolfram.com/Kernel/Symbols/Developer/index.html > and > http://support.wolfram.com/Kernel/Symbols/Experimental/index.html > > There I found what looks like lists of all symbols in the Experimental and > Developer contexts. Several of the symbols listed there aren't documented > in the Help Browser, but I was able to figure out how to use two of them. > Below I demonstrate two of these undocumented features. I couldn't figure > out any of the other undocumented symbols listed at the above URLs. If you > can figure them out please let me know. > > > > In[1]:= > > Developer`ContextFreeForm[aaa`x+bbb`y+z] > > > > Out[1]= > > x+y+z > > > > > > In[2]:= > > Experimental`Infimum[11+6 x-10 x^2-5 x^3+2 x^4+x^5,-2<x<2,x]//InputForm > > > > Out[2]= > > Root[-69847 - 171468*#1 - 129054*#1^2 - 24692*#1^3 + 3125*#1^4 & , 1] > > > > -------------------- > > Regards, > > Ted Ersek > > > > Download Mathematica tips, tricks from > > http://www.verbeia.com/mathematica/tips/Tricks.html > > > >

**References**:**Undocumented Features In 4.0***From:*"Ersek, Ted R" <ErsekTR@navair.navy.mil>