Section 2.6 Accelerating Convergencedhill001/course/NUMANAL_FALL2016/Section... · p4 -2p3 +p2 4...

Post on 26-Mar-2018

226 views 12 download

Transcript of Section 2.6 Accelerating Convergencedhill001/course/NUMANAL_FALL2016/Section... · p4 -2p3 +p2 4...

Section 2.6 Accelerating Convergence

Key Terms

• Acceleration

• Aiken Δ2 process

• Steffensen’s method

• Restoring quadratic convergence to Newton’s method

Note: it appears we have ‘jumped

ahead’ in the sequence.

Similar behavior.

This looks like the Aitken

sequence with n = 3.