LFD Book Forum

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-   Chapter 3 - The Linear Model (http://book.caltech.edu/bookforum/forumdisplay.php?f=110)
-   -   Excercise 3.5 (http://book.caltech.edu/bookforum/showthread.php?t=4791)

Iyeeke 10-13-2017 03:25 PM

Excercise 3.5
 
How do we formally show that tanh(s) converges to no threshold for small |s| in excercise 3.5? I see how to show it for large |s| by taking the limit as n goes to infinity.

htlin 10-18-2017 03:22 PM

Re: Excercise 3.5
 
Taylor's expansion can be helpful.


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