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From: "zedong 
" <zdongwu@gmail.com>
Newsgroups: comp.soft-sys.matlab
Subject: Re: Is there any polynomial which satisfies some properties
Date: Mon, 29 Dec 2008 12:51:02 +0000 (UTC)
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" <zdongwu@gmail.com>
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"John D'Errico" <woodchips@rochester.rr.com> wrote in message <gjag02$54m$1@fred.mathworks.com>...
> "zedong 
> " <zdongwu@gmail.com> wrote in message <gjaej2$9o5$1@fred.mathworks.com>...
> > I have known a function g(x,y)=(x^m)*(y^n)
> > Could I find a polynomial f which is order m+n+1
> > and 
> > diff(f,'x')+diff(f,'y')=g
> > And more simple more good(The less term more good)
> > Thank you all
> > 
> 
> I don't know if this is just an example that you made
> up, not thinking if it is possible, and that you really
> have some other problem in mind.
> 
> But the specific problem as posed has no solution.
> 
> John

Thank you for your attention.In fact I am working on an integration of a polynomial over a polygon(I am writing a finite element code with matlab.).so if the above integration is possible.then  I can do that.and still I Think it's possible.because  If not I can make the order of the polynomial  more higher.I think.But actually.I don't know how to solve it.It must be solved by a matrix equation.I guess