On 27/03/2009, at 9:24 AM, Maciej Piechotka wrote:
i * j = k -j * i = kk/i = j or -j?
Do you mean left-divide or right-divide? In the first equation you are left-multiplying by i, the latter you are right-multiplying by i. "k / i" is ambiguous as to which it means.
http://en.wikipedia.org/wiki/Quaternion#Conjugation.2C_the_norm.2C_and_division Cheers, James _______________________________________________ Vala-list mailing list [email protected] http://mail.gnome.org/mailman/listinfo/vala-list
