Approximates a first order differential equation using the classical fourth order Runge-Kutta method

What will be an ideal response?


```
double rungekutta (double yInit, double halflife)
{
const double h = 0.1;

double k1, k2, k3, k4, yN, yNplus1;

yN = yInit;
k1 = dydx(yN, halflife);
k2 = dydx(yN + k1 * h / 2, halflife);
k3 = dydx(yN + k2 * h / 2, halflife);
k4 = dydx(yN + k3 * h, halflife);
yNplus1 = yN + h / 6 * (k1 + 2 * k2 + 2 * k3 + k4);

return yNplus1;
}

```

Computer Science & Information Technology

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