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MathGroup Archive 2007

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Fw: Re: Fw: 2

  • To: mathgroup at smc.vnet.net
  • Subject: [mg73701] Fw: [mg73659] Re: Fw: 2
  • From: "fizzy" <fizzycist at knology.net>
  • Date: Sun, 25 Feb 2007 04:32:02 -0500 (EST)

Perhaps I should have added this.....I have upgraded to 5.2 and I realize 
that there are many additions that 4.2 doesnt have, etc.etc.etc.....that was 
hardly my point!!!!!.......part of what I was trying to say is that I still 
use 4.2 just in case and have found it, at least for some of the things I've 
worked on, to be quite helpful to me in  a way that the upgrades were 
not........naturally, 4.2 doesnt work on every ocassion but I have found 
many instances where 4.2 will work although 5.2 wont or the answers are 
completely different......also, in terms of using , for example, a 
subscripted definition , such as

E_subscript_x[x, y, z] , I have also found that 5.2 handles this quite 
differently then 4.2 especially if you take the derivative of the 
function.....(the subscript is gotten from the appropriate Palette).....in 
fact, I can't use this definition in 5.2....

When I sent these comments, I thought that someone, at least at Wolfram, 
would care and would want to investigate this......if something doesnt work 
in a New Version but does in an Old Version, strikes me as a Bug in the new 
software assuming that the earlier Version's answer was, in fact, 
correct....or, at least, it's food for thought...

or I hope it is....Jerry

----- Original Message ----- 
From: "dimitris" <dimmechan at yahoo.com>
To: <mathgroup at smc.vnet.net>
Sent: Saturday, February 24, 2007 1:11 AM
Subject: [mg73701] [mg73659] Re: Fw: 2


> Try also the following links
>
> http://documents.wolfram.com/mathematica/Built-inFunctions/NewInVersion5.0/
> http://www.wolfram.com/products/mathematica/newin51/
> http://www.google.com/search?hl=en&q=mathematica+version+5.2
>
> May be this material will convince for upgrading!
>
> Regards
> Dimitris
>
> =CF/=C7 fizzy =DD=E3=F1=E1=F8=E5:
>> This is an interesting question for me for another reason.....my 
>> 'favorit=
> e'
>> version of Mathematica is still 4.2....I have found many things that 
>> work=
> in
>> 4.2 but do not work in 5.2....I have always been meaning to send them to
>> mathgroup but, must admit, I'm too lazy for it.....however, this example
>> here is perfect for the ocassion....
>>
>> It works in 4.2......interesting also, that the Output in 5.2 for  the
>> Series[ ] question, the answer seems different....I havent investigated 
>> it
>> further, just want to point out the interesting differences.....
>>
>> Jerry Blimbaum
>>
>> ----- Original Message -----
>> From: "Andrzej Kozlowski" <akoz at mimuw.edu.pl>
>> To: <mathgroup at smc.vnet.net>
>> Sent: Thursday, February 22, 2007 3:35 AM
>> Subject:
>>
>>
>> > Try:
>> >
>> > Series[ArcCosh[x], {x, 0, 11}]
>> >
>> > and now try
>> >
>> > ArcCosh[x] + O[x]^12
>> >
>> > At least with my version of Mathematica:
>> >
>> > $Version
>> > 5.2 for Mac OS X (February 24, 2006)
>> >
>> >
>> > I do not get the same answer (in fact in the latter case the input is
>> > returned unevaluated). With ArcSinh and any other function that I
>> > have tried in place of ArcCosh  the outputs are always the same.
>> >
>> > Andrzej Kozlowski
>> >
>> >
>> >
>> >
>> >
>> >
>
>
>
> 




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