Which of the following statements are false?多项选择题

题目图片
A

a. The mid-point method uses the Euler method as a predictor step with a 3/4 step size.

B

b. Heun’s method uses the Euler method as a predictor step with a full step size.

C

c. The mid-point method is a “predictor-corrector” method with two steps per iteration.

D

d. The mid-point method and Heun’s method have the same global errors O(h3).

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