Use the Piecewise Linear Algorithm to approximate the solution to the boundary-value problem


using x0 = 0, x1 = 0.3, x2 = 0.7, x3 = 1. Compare your results to the actual solution y(x) = −1/3 cos π/2 x − √2/6 sin π/2 x + 1 / 3 cos π/4 x.