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Re: Csch and 1/Sinh

  • To: mathgroup at
  • Subject: [mg26197] Re: Csch and 1/Sinh
  • From: "David Bailey" <db at>
  • Date: Thu, 30 Nov 2000 22:02:13 -0500 (EST)
  • Organization: University of Salford, Salford, Manchester, UK
  • References: <8v2sva$> <8vvre0$>
  • Sender: owner-wri-mathgroup at

<zhl67 at> wrote in message news:8vvre0$3hu at
> Hi,
> I have posted exactly the same question several months ago and all the
> response I got seem to converge to one point: trying to use the Format
> function to change the looking of the output. However it didn't make
> sense to me because one can only print the output of 1/Sinh as 1/sinh
> (notice the case) and so output cannot be used as input in later steps
> of the calculation. If you don't use the output in later steps you can
> try to use Format. Cheers.
> Sent via
> Before you buy.

I think you can do it if you are prepared to print using a function:

printNicely[x_] := Module[{expr},
    expr = x /. Csch[z_] -> 1/sinh[z];
    ToBoxes[expr] /. "sinh" -> "Sinh" // DisplayForm

David Bailey,
Salford Software

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