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Re: FixedPoint[Cos, 1.0]

  • To: mathgroup at smc.vnet.net
  • Subject: [mg119420] Re: FixedPoint[Cos, 1.0]
  • From: DrMajorBob <btreat1 at austin.rr.com>
  • Date: Thu, 2 Jun 2011 19:10:54 -0400 (EDT)

That, or it's a 64-bit issue. I get infinite cycling here, with 64 bits on  
a Mac.

Bobby

On Thu, 02 Jun 2011 06:15:56 -0500, magma <maderri2 at gmail.com> wrote:

>> > 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).
>
> In version 8.0.1.0 February 24 2011 (32 bits) under Windows
>
> 1- this particular example is no longer present in the Information
> page of FixedPoint
>
> 2- FixedPoint[Cos, 1.0] works well, returning 0.739085 right away.
>
>
> In version 7 under Windows it also works well.
>
> So we can conclude that this is an issue linked to Mac OS X
>


-- 
DrMajorBob at yahoo.com


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