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MathGroup Archive 2004

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Re: Newly Released Mathematica 5.1 Delivers Unmatched Performance for Handling Data

  • To: mathgroup at smc.vnet.net
  • Subject: [mg52317] Re: Newly Released Mathematica 5.1 Delivers Unmatched Performance for Handling Data
  • From: Mike <m.HoneychurcNOSPAMh at uq.edu.au>
  • Date: Mon, 22 Nov 2004 01:28:52 -0500 (EST)
  • Organization: University of Queensland
  • References: <cnq33i$2h5$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

On 21/11/04 10:53 PM, in article cnq33i$2h5$1 at smc.vnet.net, "David Park"
<djmp at earthlink.net> wrote:

> Here is one thing that I hazard is a new bug. I don't actually have 5.1 so
> maybe someone can check it for me.
> 
> The following works fine in 5.0.1.
> 
> Needs["Graphics`Colors`"]
> 
> f[x_, y_] :=
> With[{v = Sin[x y]},
>   Which[v < 0, Gray,
>     v < 0.2, LightCoral,
>     v < 0.4, PaleGreen,
>     v < 0.6, CadetBlue,
>     v < 0.8, GeraniumLake,
>     True, UltramarineViolet
>     ]]
> 
> Show[Graphics[
>     {RasterArray[
>         Table[f[x, y], {x, 0, 5, 5/101}, {y, 0, 5, 5/101}], {{0, 0}, {5,
>             5}}]}],
>   AspectRatio -> Automatic,
>   Frame -> True,
>   ImageSize -> 400];
> 
> If it doesn't work in 5.1, I'm sure there's a good reason.
> 
> David Park
> djmp at earthlink.net
> http://home.earthlink.net/~djmp/
> 
> 
> 
> From: Time E. Time [mailto:timetime at gmail.com]
To: mathgroup at smc.vnet.net
> 
> New features and better algorithms are great, but does anyone know if
> they've fixed any bugs in this release?  Things like
> 
> The rotated text bug on Macs where labels on the y-axis of frames are
> garbled.

I think WRI have said that this is a Mac problem due to the apple
implementation of postscript/PDF. Eg. If you use Apple's 'save as PDF' the
text is garbled but if you use Acrobat it comes out fine.

Mike

> 
> The instability in large eigenvalue calculations, which sometimes make
> it impossible to interrupt the kernel and other times cause the kernel
> to unexpectedly quit.
> 
> The "feature" where Mathematica uses a non-standard character
> encoding, so that text in graphics is garbled when imported into some
> other programs, like Illustrator.
> 
> I'm excited about cluster analysis, but I can't bring myself to fork
> over any more money to Stephen Wolfram until simple problems which
> have existed for years are fixed.
> 
> -Tim
> 
> 
> 


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