Lines are absolute value. Double lines is the smoking gun. Link to try to explain better than me. One set of lines.... -2 = 2. Double lines is vector related..and a little farther than I went in engineering.
I don't know enough math, but I was able to find out the ||x|| notation refers to "a norm" and with the infinity subscript that's the infiniry norm / uniform norm:
neither do I. But the cliff dive into calculus is the functions to calculate where a line is going. What is it approaching is the socratic methodology. What stands out to me is the multiple mentions of this being common in vector absolute value would indicate a formula (as I would see it close to a PID formula proportional/derivative/integral) of absolute value of a projection. Rate of increase or something. I have no degree, but I've dealt with things like PID and of this sort in the real world that have left me confused why 3 yrs of engineering never touched on any of it.
Lines are absolute value. Double lines is the smoking gun. Link to try to explain better than me. One set of lines.... -2 = 2. Double lines is vector related..and a little farther than I went in engineering.
https://www.quora.com/How-do-you-find-the-double-absolute-value-of-a-vector?share=1
I don't know enough math, but I was able to find out the ||x|| notation refers to "a norm" and with the infinity subscript that's the infiniry norm / uniform norm:
https://en.wikipedia.org/wiki/Uniform_norm
neither do I. But the cliff dive into calculus is the functions to calculate where a line is going. What is it approaching is the socratic methodology. What stands out to me is the multiple mentions of this being common in vector absolute value would indicate a formula (as I would see it close to a PID formula proportional/derivative/integral) of absolute value of a projection. Rate of increase or something. I have no degree, but I've dealt with things like PID and of this sort in the real world that have left me confused why 3 yrs of engineering never touched on any of it.