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Re: Sinh[y]/y as y->0?

  • To: mathgroup at
  • Subject: [mg33488] Re: Sinh[y]/y as y->0?
  • From: "Chris Becker" <cmb5199 at>
  • Date: Fri, 22 Mar 2002 04:08:15 -0500 (EST)
  • References: <a7csli$i0t$>
  • Sender: owner-wri-mathgroup at

You have to use Limit when you want to take a limit, Mathematica won't
immidiatly do this for you.

Limit[(Sinh[y]/y), y -> 0]

"aes" <siegman at> wrote in message
news:a7csli$i0t$1 at
> A particular calculation produces at an early stage the intermediate
>    p1 = (Sin[x]/x) + (Sinh[y]/y) ,        (x and y both real)
> and this result then feeds into further expressions in a lengthy symbolic
> calculation.
> When I try to do any numerical evaluations of the final expressions with
> x or y = 0, I get "Indeterminate expression" or "infinity 1/0" error
> even though the expressions themselves, like the expression above, are
> determinate and finite for those limits.
> Any simple way to make this expression behave as it should under numerical
> evaluation?

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