A) Forward Euler is _________. 1st order accurate 2nd order accurate 3rd order accurate B) Backwards Euler is ________. 1st order accurate 2nd order accurate 3rd order accurate C) Modified Euler (A.k.a Modified Foward Euler) is_____. 1st order accurate 2nd order accurate

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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A) Forward Euler is _________.

  1. 1st order accurate
  2. 2nd order accurate
  3. 3rd order accurate

B) Backwards Euler is ________.

  1. 1st order accurate
  2. 2nd order accurate
  3. 3rd order accurate

C) Modified Euler (A.k.a Modified Foward Euler) is_____.

  1. 1st order accurate
  2. 2nd order accurate
  3. 3rd order accurate
Expert Solution
Step 1 Introduction

Forward and Backward Euler are both first order accurate methods, so their global errors are just proportional with h. Thus, if we reduce the step size h by a factor of , the error will also be reduced by the same factor.

Modified Euler is an example of 2nd order R-K method.

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