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Re: ZTarnsform[Sin[4 n],n,z] OK, but ZTransform[Sin[5 n],n,z,] hangs?
*To*: mathgroup at smc.vnet.net
*Subject*: [mg56812] Re: [mg56772] ZTarnsform[Sin[4 n],n,z] OK, but ZTransform[Sin[5 n],n,z,] hangs?
*From*: Chris Chiasson <chris.chiasson at gmail.com>
*Date*: Fri, 6 May 2005 03:01:16 -0400 (EDT)
*References*: <200505051003.GAA22072@smc.vnet.net>
*Reply-to*: Chris Chiasson <chris.chiasson at gmail.com>
*Sender*: owner-wri-mathgroup at wolfram.com
Same behavior on 5.0 Windows XP SP2
I suppose it would get an answer eventually
On 5/5/05, steve <nma124 at hotmail.com> wrote:
> Hello;
> This is Mathematica 5.1 on windows.
>
> This is a strange one.
>
> When I start Mathematica and type
>
> ZTarnsform[Sin[4 n],n,z]
>
> Then I get the answer.
>
> but if replace '4' by '5' above, I see Mathematica starts
> to consume huge amount of memory untill the PC hangs running
> out of virtual RAM.
>
> ZTarnsform[Sin[5 n],n,z] <---- hangs
> ZTarnsform[Sin[4 n],n,z] <---- ok
>
> any one has any idea what is going on? is this some subtle
> mathemtical thing I am overlooking that is causing this?
> what is so special about '5' here?
>
> thanks,
> Steve
>
>
--
Chris Chiasson
http://chrischiasson.com/
1 (810) 265-3161
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