Re: Problems with recursive function

*To*: mathgroup at smc.vnet.net*Subject*: [mg87401] Re: Problems with recursive function*From*: Frank Hechtner <frank.hechtner at rub.de>*Date*: Wed, 9 Apr 2008 05:58:15 -0400 (EDT)*References*: <200804080939.FAA12146@smc.vnet.net> <ftfk9u$fb4$1@smc.vnet.net>

Thank you for the hint. That was exactly what i?m looking for. kind regards from germany frank > 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 >> >> > >

**References**:**Problems with recursive function***From:*Frank Hechtner <frank.hechtner@rub.de>