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Re: Got a tip ?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg97859] Re: [mg97843] Got a tip ?
  • From: Adriano Pascoletti <adriano.pascoletti at dimi.uniud.it>
  • Date: Tue, 24 Mar 2009 05:29:53 -0500 (EST)
  • References: <200903230905.EAA27168@smc.vnet.net>

Something like this?


f[c_String] := First[ToCharacterCode[c] - ToCharacterCode["a"] + 1] /;

     StringLength[c] === 1


gives


In[11]:= f["z"]
Out[11]= 26


Adriano Pascoletti


2009/3/23 Fabrizio <Tekcitizen at hotmail.com>

> Hello,
>
> I want to write a function that translates its argument (which is a letter
> of the alphabet) into a numerical value.
>
> f[a] = 1
> f[b] = 2
>


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