Ilya Zakharevich on Thu, 23 Nov 2023 00:15:28 +0100


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Re: Hyperterminants


On Tue, Nov 21, 2023 at 08:10:00PM -0800, Ilya Zakharevich wrote:
> Just one of the examples I’m staring at in the last few days: suppose
> you want to calculate numerically Σ k! tᵏ.  If t=-23, then near n=23
> the terms stop to decrease, so the Cauchy’s ε/δ approach fails to find
> the exact value¹⁾ of the sum.

Oups, I was too hasty sending this!  It seems that here and in the
rest of the message I consider the sum
    ∑ n!/tⁿ
instead.

Sorry for the confusion!
Ilya