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Quaternion: Difference between revisions
→Double Quaternions
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==Double Quaternions== | ==Double Quaternions== | ||
{{main | Double | {{main | Double quaternion}} | ||
These are different from dual quaternions. | These are different from dual quaternions. | ||
Double quaternions are written as <math>q_1 + \epsilon q_2</math> with <math>\epsilon^2 = 1</math>. | Double quaternions are written as <math>q_1 + \epsilon q_2</math> with <math>\epsilon^2 = 1</math>. | ||