Re: Why I am unwilling to use Mathematica if I can help it
- From: Ronald Bruck <bruck@xxxxxxxxxxxxxxxxx>
- Date: Tue, 12 Jul 2005 06:05:53 GMT
In article <dau4qu$4enq@xxxxxxxxxxxxxxxxxxxx>, Herman Rubin
<hrubin@xxxxxxxxxxxxxxxxxxxx> wrote:
> In article <eKgAe.98$Rv7.58@xxxxxxxxxxxxxxxxxxxxxxxxxx>,
> symbio <symbio@xxxxxxx> wrote:
> >Evaluating (using //N) two exact same expressions, gives wrong answer unless
> >fullsimplify is used first, I spent 2 days on a problem thinking my answer
> >was wrong, but turned out Mathematica 5 was giving me buggy answers, I
> >debugged it to this point, but WHY in the world is this happening? Please
> >help!!!
>
> >cut and paste below to see the test case:
>
> >In[243]:=
> >\!\(\(Cosh[\(43\ \[Pi]\)\/\@2] + \((1 - Cosh[43\ \@2\ \[Pi]])\)\ Csch[
> > 43\ \@2\ \[Pi]]\ Sinh[\(43\ \[Pi]\)\/\@2] // FullSimplify\) //
> > N\[IndentingNewLine]
> > Cosh[\(43\ \[Pi]\)\/\@2] + \((1 - Cosh[43\ \@2\ \[Pi]])\)\ Csch[
> > 43\ \@2\ \[Pi]]\ Sinh[\(43\ \[Pi]\)\/\@2] // N\)
> >Out[243]=
> >\!\(6.551787517854307`*^-42\)
> >Out[244]=
> >\!\(\(-1.9342813113834067`*^25\)\)
>
>
> This weird collection of uses of \ and [], and other such
> uses of unnatural mathematical notation, are what I have
> against Mathematica.
Well, but this is only an inexperienced user naively cutting and
pasting. He SHOULD have sent us the "InputForm" of the expression.
Or the TeXForm, since this is a math forum. But **I** hold
Mathematica's TeXForm against them, since they use their own weird
spacing.
--Ron Bruck
.
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