Stable Type
A Polynomial equation whose Roots all have Negative Real Parts. For a Real Quadratic Equation
the stability conditions are
. For a Real Cubic Equation
the stability conditions are
and 
.
References
Birkhoff, G. and Mac Lane, S. A Survey of Modern Algebra, 3rd ed. New York: Macmillan, pp. 108-109, 1965.
- Radical Integer
- Radical Line
- Radicand
- Radius
- Radius (Graph)
- Radius of Convergence
- Radius of Curvature
- Radius of Gyration
- Radius of Torsion
- Radius Vector
- Radix
- Radon-Nikodym Theorem
- Radon Transform
- Radon Transform--Cylinder
- Radon Transform--Delta Function
- Radon Transform--Gaussian
- Radon Transform--Square
- Rado's Sigma Function
- Railroad Track Problem
- Ramanujan 6-10-8 Identity
- Ramanujan Constant
- Ramanujan Continued Fraction
- Ramanujan Cos/Cosh Identity
- Ramanujan-Eisenstein Series
- Ramanujan Function