On Fri, Jan 9, 2015 at 5:34 AM, Santanu Sarkar <[email protected]> wrote: > Dear all, > > I have one polynomial > f_x(y) =y^3 +f_1(x) y^2 +f_2(x) y + f_3(x). > > Since it is a cubic polynomial, it has atleast > one real root. > I want to find that real root as a function of x. > I know that x \in [a,b]. >
There is a formula you can try to use: http://en.wikipedia.org/wiki/Cubic_function#General_formula_for_roots > -- > You received this message because you are subscribed to the Google Groups > "sage-support" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/sage-support. > For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "sage-support" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/sage-support. For more options, visit https://groups.google.com/d/optout.
