[Haskell-cafe] smallest double eps

Tamas K Papp tpapp at Princeton.EDU
Fri Sep 29 21:35:56 EDT 2006


On Fri, Sep 29, 2006 at 09:26:27PM -0400, Lennart Augustsson wrote:

> As for using such an eps in a convergence test I'd be very careful.   
> How do you know that your iteration doesn't make the value bounce  
> back and forth with more than eps?

Hi Lennart,

Thanks for the answer, I will try it.

I am not using eps, but rather a value derived from eps by analyzing
the algorithm (eg eps^0.25).  Your answer will help me calculate that
directly.

Thanks,

Tamas


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