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Re: Problems with recursive function

  • To: mathgroup at smc.vnet.net
  • Subject: [mg87365] Re: [mg87354] Problems with recursive function
  • From: "W Craig Carter" <wcraigcarter at gmail.com>
  • Date: Tue, 8 Apr 2008 07:17:23 -0400 (EDT)
  • References: <200804080939.FAA12146@smc.vnet.net>

Hello Frank, try this:

test[0, _] = test[0] = test0

test[0, foo]

On Tue, Apr 8, 2008 at 5:39 AM, Frank Hechtner <frank.hechtner at rub.de>
wrote:

> Dear Newsgroup,
>
> I'm in trouble with a recursive function. the functios looks similar to
> test[a_, b_] := test[a - 1, b]*b. A is the index b should just be an
> argument of test.
> for any calculation i need to tell mathematica the first value of the
> function, e.g. test[0, 5]=5. The problem is the following: the first
> object is independent of b. does anyone know a way to tell mathematica
> the following thing:
>
>  test[0,b]=5 => test[0]=5 regardless to b.
>
> Thanks for your help.
>
> Frank
>
>


-- 
W. Craig Carter



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