Re: Help on Polynomial Convolution
- To: mathgroup at smc.vnet.net
- Subject: [mg2133] Re: [mg2082] Help on Polynomial Convolution
- From: bulent nedim alemdar <alemdar at rorqual.cc.metu.edu.tr>
- Date: Wed, 4 Oct 1995 01:56:28 -0400
Hi Zheng
you can handle your problem with followings;
y=1+ 2*x + 3*x^2
yy=List[y[[1]],y[[2,1]],y[[3,1]]]
yields -> yy={1,2,3}
yy=List[y[[1]],y[[2,2]],y[[3,2]]]
yields -> yy={1,x,x^2}
See you later
bna
On Fri, 29 Sep 1995, Yuan Zheng wrote:
> Hi,
>
> I used Matlab to do numerical computing for a long time. Now I just
> switched to Mathematica to do the symbolic computing on the same
> problems.
>
> I want to represent a polynomial by it's coefficients as a List. For
> example, the polynomial 1 + 2x + 3x^2 is represented as {1,2,3}.
>
> In matlab, there is a function conv(Poly1,Poly2) to compute the
> convolution of the two polynomials Poly1 and Poly2. Is there such
> package in Mathematica?
>
> I am grad. student on control system design. Where can I find the
> related Mathematica packages on this topic?
>
> Thanks
>
> Yuan Zheng
> Dept of Mech. Eng.
> Umass, Amherst
>
>