- #1

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Dose someone please know why they have the absolute value bars in this derivation?

many thanks!

many thanks!

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- I
- Thread starter ChiralSuperfields
- Start date

- #1

- 1,113

- 125

Dose someone please know why they have the absolute value bars in this derivation?

many thanks!

many thanks!

- #2

Mentor

- 14,376

- 8,470

Of course, the vector length is always positive.

I think this convention was more popular in early vector math books where as now they use the double v-bar notation.

https://en.wikipedia.org/wiki/Norm_(mathematics)

- #3

- 1,113

- 125

Thank you for your help @jedishrfu !

Of course, the vector length is always positive.

I think this convention was more popular in early vector math books where as now they use the double v-bar notation.

https://en.wikipedia.org/wiki/Norm_(mathematics)

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