Lewis Regulator

Author

Eric W. Weisstein
October 22, 2008

This notebook downloaded from http://mathworld.wolfram.com/notebooks/DifferentialEquations/LewisRegulator.nb.

For more information, see Eric's MathWorld entry http://mathworld.wolfram.com/LewisRegulator.html.

©2008 Wolfram Research, Inc. except for portions noted otherwise

ODE

DSolve[y''[x]+(1-Abs[y[x]])y'[x]+y[x]==0,y[x],x]