40 reputation
3
bio website
location
age
visits member for 1 year, 9 months
seen May 17 at 7:21

Oct
26
comment command to expand quaternion multiplication
the book mention about using triple vector product $a\times(b\times c)=(a\cdot c)b-(a\cdot b)c$ to derive the final equation.
Oct
14
comment can mathematica plot graph/visualize rotation matrices
thanks, this is just what I'm looking for...