Re: recursive relation problem ?

*To*: mathgroup at smc.vnet.net*Subject*: [mg13666] Re: [mg13656] recursive relation problem ?*From*: Unal Goktas <unalg>*Date*: Sat, 15 Aug 1998 04:39:02 -0400*Organization*: Wolfram Research, Inc.*References*: <199808110856.EAA10627@smc.vnet.net.>*Sender*: owner-wri-mathgroup at wolfram.com

cplai at geocities.com wrote: > Dear all, > > I am studying data structure, and always encounter recursive relation > equations. How do I use mathematica to give general solution of > recursive relation. > > For example: f(0)=1; f(1)=1; f(x)=x*f(x-1); > > Regards > > William. > > -----== Posted via Deja News, The Leader in Internet Discussion ==----- > http://www.dejanews.com/rg_mkgrp.xp Create Your Own Free Member Forum You can achieve this by doing: In[1]:= <<DiscreteMath`RSolve` In[2]:= RSolve[{f[x] == x f[x-1], f[0] == 1, f[1] == 1}, f[x], x] Out[2]= {{f[x] -> x!}} ---- Unal Goktas

**References**:**recursive relation problem ?***From:*cplai@geocities.com