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Re: Got a tip ?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg97886] Re: [mg97843] Got a tip ?
  • From: Bob Hanlon <hanlonr at cox.net>
  • Date: Tue, 24 Mar 2009 05:34:59 -0500 (EST)
  • Reply-to: hanlonr at cox.net

f[x_String] := ToCharacterCode[x][[1]] - 96

f["a"]

1

f["A"]

-31

f /@ CharacterRange["a", "h"]

{1,2,3,4,5,6,7,8}

f /@ CharacterRange["A", "H"]

{-31,-30,-29,-28,-27,-26,-25,-24}



Bob Hanlon


On Mon, Mar 23, 2009 at 7:42 AM , Fabrizio wrote:

> 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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