Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > comp.soft-sys.math.mathematica > #1360
| From | Andrzej Kozlowski <akoz@mimuw.edu.pl> |
|---|---|
| Newsgroups | comp.soft-sys.math.mathematica |
| Subject | Re: Why Mathematica does not issue a warning when the calculations |
| Date | 2011-03-31 11:05 +0000 |
| Organization | Steven M. Christensen and Associates, Inc and MathTensor, Inc. |
| Message-ID | <in1n51$6sj$1@smc.vnet.net> (permalink) |
On 31 Mar 2011, at 11:03, Richard Fateman wrote:
> Here's a way around this issue, I think. For every function of
> interest, do something like this:
> prec;
> f[x_]:=Block[ {$MaxPrecision=prec,$MinPrecision=prec}, Whatever...]
>
> This is even less intuitive than your suggestion.
>
>
> RJF
An original and surprising suggestion, particularly in view of the following:
On 29 Mar 2011, at 13:53, Andrzej Kozlowski wrote:
> In addition (for some curious reason) Richard never bothers to point out that
>
> z = 1.0000000000000000000;
> Block[{$MaxPrecision = 20, $MinPrecision = 20},
> Table[(z = 2*z - z), {42}]]
Andrzej Kozlowski
Back to comp.soft-sys.math.mathematica | Previous | Next — Next in thread | Find similar | Unroll thread
Re: Why Mathematica does not issue a warning when the calculations Andrzej Kozlowski <akoz@mimuw.edu.pl> - 2011-03-31 11:05 +0000 Re: Why Mathematica does not issue a warning when the calculations Richard Fateman <fateman@cs.berkeley.edu> - 2011-04-01 07:30 +0000 Re: Why Mathematica does not issue a warning when the calculations Andrzej Kozlowski <akoz@mimuw.edu.pl> - 2011-04-01 07:30 +0000
csiph-web