Question: Solve (1)(3) by CrankNicolson with r = 1 (5 steps), where: f(x) = 5x if 0 x < 0.25, f(x) = 1.25(1 - x)

Solve (1)–(3) by Crank–Nicolson with r = 1 (5 steps), where:

f(x) = 5x if 0 ≤ x < 0.25, f(x) = 1.25(1 - x) if 0.25 ≤ x ≤ 1, h = 0.2

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