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To find the values at the current time-step, the Crank-Nicolson scheme uses ___________

To find the values at the current time-step, the Crank-Nicolson scheme uses ___________ Correct Answer t-Δ t and t-2Δ t steps

Like the forward Euler scheme, the Crank-Nicolson scheme also uses the older steps only to get the values at the current node. It uses the values at the previous step and at the step previous to it.

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