MathGroup Archive 2005

[Date Index] [Thread Index] [Author Index]

Search the Archive

Re: ZTarnsform[Sin[4 n],n,z] OK, but ZTransform[Sin[5 n],n,z,] hangs?


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


  • Prev by Date: Re: ZTarnsform[Sin[4 n],n,z] OK, but ZTransform[Sin[5 n],n,z,] hangs?
  • Next by Date: Re: Plot axis numbers
  • Previous by thread: ZTarnsform[Sin[4 n],n,z] OK, but ZTransform[Sin[5 n],n,z,] hangs?
  • Next by thread: Re: ZTarnsform[Sin[4 n],n,z] OK, but ZTransform[Sin[5 n],n,z,] hangs?