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4 cards from this section. Quick, good the night before a test.
What is the first step in Milne's Predictor-Corrector Method?
Think about the function values needed to start the predictions.
How many previous values are required to use the predictor formula?
Recall the minimum number needed to make a valid estimation.
What is the main purpose of the Predictor-Corrector Method?
Focus on the primary function of the method.
True or false: The predictor formula is an implicit method.
Recall the definitions of explicit versus implicit methods.
Given y(0)=1 and dy/dx=x+y, derive the first four function values and use Milne's method with h=0.1 to estimate y(0.4).
Recall that you must compute f first before applying the predictor.
Using a stiff equation dy/dx = -1000y + x, explain how Milne's method can be ineffective and what would be a better approach. Provide a numerical example using small step sizes.
Think of the stability condition for stiff equations.
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