|Bill Allombert on Mon, 16 Mar 2009 23:03:11 +0100|
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|Re: Stirling numbers|
On Mon, Mar 16, 2009 at 05:37:40PM +0100, Rampal S Etienne wrote: > Hi, > > Is there a quick way of computing the vector of Stirling numbers of the > first kind s(n,k) for all k? > > The catalogue only gives an example for Stirling numbers of the second kind. For the Stirling numbers of the first kind, the function below should return all the s(n,k) as a vector: vecstirling(n)=Vec(factorback(vector(n-1,i,1-i*'x))) (and should work with both PARI 2.3 and PARI 2.4) Cheers, Bill.