How to find absolute value of a vector in this

Ben Shaver 2021-12-16 Answered
How to find absolute value of a vector in this question?
a = {1, 3, 5}
Then in formulas see this |a|
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Expert Answer

Lynne Trussell
Answered 2021-12-17 Author has 32 answers
Absolute value of a vector means taking second norm of the vector i.e. ∥x∥. That means the same thing as
x12+x22++xn2
I don't understand why some top researchers in computer science abuse the notation where |x| is widely used for absolute value of scalars in math.
I have also seen papers using |x| to mean absolute value of each component of the vector x. In summary, meaning will depends upon the context and author.

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Suhadolahbb
Answered 2021-12-18 Author has 32 answers
Keep in mind that absolute value is distance from zero. So you can use the distance formula to find the absolute value:
x2+y2+z2

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