From: Tobias Schwinger (tschwinger_at_[hidden])
Date: 2005-07-17 18:24:07
Daryle Walker wrote:
> This is for the "ll" function defined for quaternions and octonions. The
> function returns the 1-norm of its argument. Does anyone know what the "ll"
> name stands for? I finally figured out that "sup" (the infinity-norm) most
> likely stands for "supremum". (BTW, "abs" is the 2-norm. The "norm"
> function isn't actually in this system, despite the name!)
>
Hmmm... My guess from looking at the name 'll' would have been ll == length *
length (frobenius norm), but it's not the 1-norm ;-(.
Regards,
Tobias