The second-order ordinary differential equation
Whittaker-Hill Differential Equation
See also
Hill's Differential Equation, Mathieu Differential EquationExplore with Wolfram|Alpha
References
Urwin, K. M. and Arscott, F. M. "Theory of the Whittaker-Hill Equation." Proc. Roy. Soc. Edinburgh 69, 28-44, 1970.Zwillinger, D. Handbook of Differential Equations, 3rd ed. Boston, MA: Academic Press, p. 128, 1997.Referenced on Wolfram|Alpha
Whittaker-Hill Differential EquationCite this as:
Weisstein, Eric W. "Whittaker-Hill Differential Equation." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Whittaker-HillDifferentialEquation.html