Figure 4From: The application of block pulse functions for solving higher-order differential equations with multi-point boundary conditions Plots of the numerical solution by BPFs versus the exact solution (solid-circle) of y , \(\pmb{y'}\) , \(\pmb{y''}\) , \(\pmb{y^{(3)}}\) in (a)-(d), respectively, when \(\pmb{m=64}\) for Example 2 . Back to article page