On Mar 2, 8:10 pm, Sharpie wrote:
> So I guess at this point my question is: is there another way to
> convert from a symbolic polynomial equation to a Polynomial Ring? I
> The methods I used feel very hacky and I don't trust them.
Ok, so I think I found something in the manual page "Conversion
On Mar 2, 2:34 pm, Alex Ghitza wrote:
> The way I see it, it is not actually a question about the variable
> representing a real number; it is more a question of using polynomials
> and their specialised built-in roots() method rather than symbolic
> functions and the general-purpose solve().
>
>
On Tue, 2 Mar 2010 05:27:45 -0800 (PST), Sharpie wrote:
> Thanks for the reply Alex. I think I understand that by choosing a
> variable of the appropriate type, in this case one that is restricted
> to the real numbers, the roots can be determined in a straight-forward
> manner.
The way I see it,
On Mar 1, 3:02 am, Alex Ghitza wrote:
> On Sun, 28 Feb 2010 23:02:08 -0800 (PST), Sharpie
> wrote:
> > However, tonight I have been trying to solve an open channel flow
> > problem which requires me to find the roots of:
>
> > y^3 - 1.39027132807289 * y^2 + 0.090610488164005 == 0
>
> > find_ro
