[Q] Differential operators <--> polynomials
- To: mathgroup at christensen.cybernetics.net
- Subject: [mg1243] [Q] Differential operators <--> polynomials
- From: ozan at matematik.su.se.\V.\V (Ozan \Vktem)
- Date: Fri, 26 May 1995 06:00:07 -0400
- Organization: Department of Mathematics, Stockholm university
Hi,
I would like to be able to "convert" a polynomial to its associated
differential operator. I am pretty sure that this is done, but I could not
find it anywhere. A package that works like the example below would be
very nice to have.
Example: The package provides the command "DPoly" and
DPoly[12 x^2+3 x-2,f[b,s],b]
should be equivalent to
12 D[f[b,s],{b,2}]+3 D[f[b,2],b]-2 f[b,s]
Answer by e-mail please.
Thank's in advance,
Ozan Vktem
e-mail: ozan at matematik.su.se