Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > comp.soft-sys.math.mathematica > #2856

Re: FixedPoint[Cos, 1.0]

Show all headers | View raw

Let`s go one step further down in version:

In[1]:=
FixedPoint[Cos, 1.0]
Out[1]=
0.739085
In[2]:=
$Version
Out[2]=
5.2 for Microsoft Windows (June 20, 2005)

Regards,
Wolfgang

"J Siehler" <jsiehler@gmail.com> schrieb im Newsbeitrag 
news:is2kjq$qrm$1@smc.vnet.net...
> My numerical analysis students this past term pointed out to me that
> the command
>
> FixedPoint[Cos, 1.0]
>
> which is the first example in the Information for FixedPoint doesn't
> ever finish running (or, not in any reasonable amount of time).  We
> tried this on serveral versions of Mathematica (6.x, 7.x, and 8.x),
> all on OS X, and got the same nonresult.
>
> It can be forced by specifying something like FixedPoint[Cos, 1.0,
> SameTest -> (Abs[#1 - #2] < 10^-10 &)] or FixedPoint[Cos, 1.0, 40],
> but it seems like that should be unnecessary, and the form given in
> the documentation should work.  Can anybody else confirm this
> behavior?  Am I missing something totally obvious here?
> 

Back to comp.soft-sys.math.mathematica | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

FixedPoint[Cos, 1.0] J Siehler <jsiehler@gmail.com> - 2011-05-31 11:49 +0000
  Re: FixedPoint[Cos, 1.0] David Reiss <dbreiss@gmail.com> - 2011-06-01 08:30 +0000
  Re: FixedPoint[Cos, 1.0] Szabolcs Horvát <szhorvat@gmail.com> - 2011-06-01 08:30 +0000
  Re: FixedPoint[Cos, 1.0] Szabolcs Horvát <szhorvat@gmail.com> - 2011-06-01 08:30 +0000
  Re: FixedPoint[Cos, 1.0] "Dr. Wolfgang Hintze" <weh@snafu.de> - 2011-06-01 08:32 +0000
  Re: FixedPoint[Cos, 1.0] Erik Max Francis <max@alcyone.com> - 2011-06-01 08:32 +0000

csiph-web