Distribution of roots of cubic equations. (English) Zbl 1195.65065
Summary: The distribution of roots of cubic equations in contrast to 0 is given, which is useful to discuss eigenvalues for qualitative properties of differential equations.
MSC:
65H04 | Numerical computation of roots of polynomial equations |
12D05 | Polynomials in real and complex fields: factorization |
12Y05 | Computational aspects of field theory and polynomials (MSC2010) |