Category Archives: Quaternions

More than one path

Posted on 2017/03/18 by arkajad

On one hand we easily find this kind of an advice: Is it possible to follow more than one path? If you are practising spiritual discipline under the guidance of a Master, it is always advisable to give up your … Continue reading →

Posted in Attitude matrix, Dzhanibekov effect, Quaternions, Stereographic projection | 2 Comments

Circles of eternal return

Posted on 2017/03/17 by arkajad

Let me recall the particular trajectory that we are discussing. In fact the particular part of this particular trajectory where the flip occurs. Click on the image to open gif animation. It will take time to load as it is … Continue reading →

Posted in Attitude matrix, Dzhanibekov effect, Euler's equations, Quaternions, Stereographic projection | 1 Comment

Quaternion evolution

Posted on 2017/03/16 by arkajad

In this note I will repeat some stuff that I was already explaining in the past, but we will also find some important new stuff. The time evolution differential equation for the attitude matrix is (1)   where is the … Continue reading →

Posted in Attitude matrix, Quaternions | 13 Comments