Chapter 25, Problem 4P

Solve the following problem with the fourth-order RK method:

$\frac{d^{2}y}{d{x}^2}+0.6\frac{dy}{dx}+8y=0$

where $y\left(0\right)=4\text{ and }{y}^{\prime }\left(0\right)=0$. Solve from $x=0\text{ to 5 with }h=0.5$. Plot your results.