, 53 min read

Stability Mountains for Donelson & Hansen 1-6

This is in continuation of:

  1. Stability Regions for BDF and Tendler's Formulas
  2. Stability Regions for Tischer's Formulas
  3. Stability Regions for Mihelčić's Formulas
  4. Stability Regions for Donelson and Hansen Formulas

Below is the output of:

stabregion3 -f DonelsonHansen1 -o3 -r80 -L20:-1:1:2 > /tmp/dhallb
stabregion3 -f DonelsonHansen2 -o3 -r80 -L20:-2:2:2 >> /tmp/dhallb
stabregion3 -f DonelsonHansen3 -o3 -r80 -L20:-1:1:3 >> /tmp/dhallb
stabregion3 -f DonelsonHansen4 -o3 -r100 -L15:-1:0.5:1.5 >> /tmp/dhallb
stabregion3 -f DonelsonHansen5 -o3 -r100 -L15:-0.3:0.3:1 >> /tmp/dhallb
stabregion3 -f DonelsonHansen6 -o3 -r100 -L15:-0.3:0.3:1 >> /tmp/dhallb

You can rotate the graphics around any axis.

Donelson & Hansen 1:

Donelson & Hansen 2:

Donelson & Hansen 3:

Donelson & Hansen 4:

Donelson & Hansen 5:

Donelson & Hansen 6: