OK, so I didn't put it all together because then you would have two sets of vertical bars. See, this is a vertical bar for absolute value. This is vertical bar for determinant.

Based on analyzing the knee joints of the four bar linkage, this paper presents the concepts of the stable well off angle, absolute and relative instantaneous distance.

Frey has significantly raised the bar when it comes to cable performance at this price point, as well as lowering the price of serious, top-end cable performance in absolute terms.