Runge-Kutta Visualizer
Compare numerical integration methods — watch error accumulate over time
ODE system
Harmonic oscillator
Van der Pol
Logistic growth
Nonlinear pendulum
Step size h
0.20
Time span T
20
Exact (RK45)
Euler O(h)
RK2 O(h²)
RK4 O(h⁴)
Final error at t=T:
Euler:
—
RK2:
—
RK4:
—