On Nov 11, 8:54 pm, Tom Boothby wrote:
> > However I disagree a little here about the degree of zero polynomial.
> > I would expect SylvesterMatrix(x^2, 0)
>
> > To be
>
> > [0 0]
> > [0 0]
>
> Why do you expect that? What definition are you using for the Sylvester
> Matrix?
Well, it seems th
> However I disagree a little here about the degree of zero polynomial.
> I would expect SylvesterMatrix(x^2, 0)
>
> To be
>
> [0 0]
> [0 0]
Why do you expect that? What definition are you using for the Sylvester Matrix?
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To
On Nov 11, 6:52 pm, Tom Boothby wrote:
> The empty matrix is NOT the Sylvester matrix of (0,0), (0,1) or (1,0).
>
> The degree of the zero polynomial is usually taken to be -infinity,
> though Sage uses -1 for some reason. In either case, the Sylvester
> matrix needs to have negative dimensions
Done:
http://sage.math.washington.edu/home/dfdeshom/custom/patches/sylvester-matrix.txt
didier
On 1/30/07, William Stein <[EMAIL PROTECTED]> wrote:
>
> On Mon, 29 Jan 2007 22:32:50 -0800, didier deshommes <[EMAIL PROTECTED]>
> wrote:
>
> >
> > Allo all,
> > I have a small patch that returns the
On Mon, 29 Jan 2007 22:32:50 -0800, didier deshommes <[EMAIL PROTECTED]> wrote:
>
> Allo all,
> I have a small patch that returns the Sylvester matrix of 2 univariate
> polynomials (computed via PARI) as a Matrix in SAGE. It is available
> here:
> http://sage.math.washington.edu/home/dfdeshom/cus
