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15
votes
2answers
1k views

Fast Spherical Linear Interpolation of list of quaternions

An accurate way to interpolate between two quaternions is to use Spherical Linear Interpolation (Slerp) because it preserves the unit length, whereas straightforward linear interpolation does not, as ...
5
votes
1answer
474 views

Octonions in Mathematica

Is there a package or Notebook for Mathematica that can enable me to do some numerical calculations with octonions? Maybe a way to plug-in the octonion multiplication table?
4
votes
1answer
216 views

command to expand quaternion multiplication

Is there are any command to expand quaternion multiplication as below STEP by STEP. Below is equation from my text. I'm self learner and for some reason I can't wrap my head around quaternion ...
4
votes
2answers
101 views

Getting Values From Quaternions

I'm using the Quaternion package: << Quaternions` Very simply, I would like to be able to get the individual components of the quaternions by themselves. ...
2
votes
1answer
141 views

FromQuaternion and QuaternionQ not working symbolically?

How can I get Mathematica to work with quaternions symbolically? I want to do some quaternion math without defining the actual coefficients, and then extract the coefficients from the resulting ...
0
votes
0answers
45 views

Log of a Quaternion

My mathematica Input[In] code: ***q = Quaternion[0.1, 0.2, 0.3, 0.4] t=Log[q] QuaternionQ[t]*** Resepective results[Out] from Mathematica 9.0: ...
0
votes
0answers
63 views

An error in converting matrix to quaternion

Here is an old quaternions package. There is a function named MatrixToQuaternion, References are here Matrix in that document is ...