Numerical Methods

The classical 4th-order Runge-Kutta method (RK4) for solving first-order ODEs has a local truncation error of order:

Options:

• (A) $O(h^5)$ and global truncation error $O(h^4)$
• (B) $O(h^4)$ and global error $O(h^3)$
• (C) $O(h^2)$
• (D) $O(h)$