I strongly suspect that the roots returned by `Poly.intervals` have only one root in them (by definition). If you use `refine_root(lo,hi,eps)` to refine the root bounds to arbitrary width and give it an interval in which there is more than one root, it will raise an error.
/c On Tuesday, May 21, 2024 at 6:06:14 AM UTC-5 [email protected] wrote: > Is it possible to use SymPy library to get intervals (with rational > endpoints) such that there is exactly one root in the interval? I would > like to use an implementation of RRI algorithm for my purpose. I believe > that the interval function does this. Is this correct? Is it guaranteed > that the output intervals are guaranteed to not have any common points? > > -- You received this message because you are subscribed to the Google Groups "sympy" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/sympy/807f8910-040d-475b-91b6-a5002cedeea0n%40googlegroups.com.
