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arsinh

4 messages · Wolfgang Huber, Ben Bolker, Brian Ripley +1 more

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What is the correct English pronounciation of the function name "arsinh"?

(Please excuse that this is is quite an R question, but this list is the best place I can think of for people to know the answer.)


Wolfgang Huber
DKFZ 
Dep. Molecular Genome Analysis 
69120 Heidelberg 
Germany
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1 day later
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Do you mean the inverse hyperbolic sin (arcsinh)?  In my experience the
hyperbolic functions are usually pronounced with a "ch" (as in "church")
for tanh and sinh or "sh" (for cosh) at the end: "ark-sinch" would be a
transcription.
On Sun, 24 Mar 2002, Wolfgang Huber wrote:

            

  
    
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On Mon, 25 Mar 2002, Ben Bolker wrote:

            
In R (and C) it is asinh(), so a-sinch or a-shine.
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On Mon, 25 Mar 2002, Ben Bolker wrote:

            
the inverse hyperbolic sin is often called "arsinh" (pronounced ar-sinch)
rather than "arcsinh" for good reason.  

arcsin(x) is the _arc_ (ie angle) with sin equal to x

arsinh(x) is an _area_ corresponding to a sinh of x

albyn
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http://www.reed.edu/~jones    Albyn Jones	  jones at reed.edu
Reed College, Portland OR 97202             (503)-771-1112 x7418

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