How can I write the insructions from this link http://blog.wolframalpha.com/2011/08/25/quaternion-properties-and-interactive-rotations-with-wolframalpha/ in Mathematica to obtain the same result?

Thanks!

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1 Answer

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To do the calculation without recourse to Wolfram|Alpha you can do

Needs[“Quaternions`”]

Quaternion[2, 1, 1, 3] ** Quaternion[2, 1, 1, 0] ** Quaternion[1, 1, 1, 1]

Quaternion[-12, 4, 14, 2]

Or you can do this