In analysis what does |x,y| mean/represent?

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SUMMARY

The notation |x,y| represents the absolute value of the scalar (dot) product of two vectors x and y in mathematical analysis. This notation is often used to denote the magnitude of the result of the dot product, which is a fundamental operation in vector algebra. The expressions |(x,y)| and |x.y| are also valid representations of this concept, emphasizing the importance of understanding vector operations in analysis.

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  • Understanding of vector algebra
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  • Knowledge of absolute value notation
  • Basic concepts in mathematical analysis
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Students of mathematics, educators teaching vector analysis, and professionals in fields requiring vector calculations will benefit from this discussion.

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In analysis what does |x,y| mean/represent?
 
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I've never seen such a representation. Could it be |(x,y)| or |x.y|? Both of these are expressions for the absolute value of a scalar (dot) product of two vectors.
 
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