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Re: hi,friends(8)


Hi,

yes

f[m_, n_] :> ((-4 + 2^m + 4*n))/2

Regards
   Jens

China -->hk wrote:
> hi,friends:
> Can we use Mathematica to solve the following recurrence function problem?
> f[1,1]=1,f[m,n+1]=f[m,n]+2,f[m+1,n]=2*f[m,n],m,n are positive integers.f[m,n]=?
> thanks,
> 


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