Re: Sinh[y]/y as y->0?
- To: mathgroup at smc.vnet.net
- Subject: [mg33488] Re: Sinh[y]/y as y->0?
- From: "Chris Becker" <cmb5199 at rit.edu>
- Date: Fri, 22 Mar 2002 04:08:15 -0500 (EST)
- References: <email@example.com>
- Sender: owner-wri-mathgroup at wolfram.com
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 stanford.edu> wrote in message news:a7csli$i0t$1 at smc.vnet.net... > A particular calculation produces at an early stage the intermediate result > > 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 either > x or y = 0, I get "Indeterminate expression" or "infinity 1/0" error messages, > even though the expressions themselves, like the expression above, are perfectly > determinate and finite for those limits. > > Any simple way to make this expression behave as it should under numerical > evaluation? >